diff --git a/PRD.md b/PRD.md
index 6459724..75f60c9 100644
--- a/PRD.md
+++ b/PRD.md
@@ -85,10 +85,14 @@ These principles are fundamental to the project's long-term success and must be
 - **Verbose per-song output:** Only for matches/duplicates (not every song)
 - **Verbosity configurable:** (via CLI flag or config)
 
-### 4.3 Manual Review (Future Web UI)
+### 4.3 Manual Review (Web UI)
 
-- Table/grid view for ambiguous/complex cases
-- Ability to preview media before making a selection
+- **Interactive Web Interface**: Table/grid view for ambiguous/complex cases
+- **Media Preview**: Ability to preview media before making a selection
+- **Bulk Actions**: Select multiple items for batch operations
+- **Real-time Filtering**: Search and filter capabilities
+- **Responsive Design**: Works on desktop and mobile devices
+- **Easy Startup**: Simple script (`start_web_ui.py`) with dependency checking
 
 ---
 
@@ -108,27 +112,60 @@ These principles are fundamental to the project's long-term success and must be
 
 - **CLI Language:** Python
 - **Config:** JSON (channel priorities, settings)
-- **Suggested Folder Structure:**
-/data/
-allSongs.json
-skipSongs.json
-/config/
-config.json
-/cli/
-main.py
-matching.py
-report.py
-utils.py
-
-- (expandable for web UI later)
+- **Current Folder Structure:**
+```
+KaraokeMerge/
+├── data/
+│   ├── allSongs.json          # Input: Your song library data
+│   ├── skipSongs.json         # Output: Generated skip list
+│   └── reports/               # Detailed analysis reports
+│       ├── analysis_data.json
+│       ├── actionable_insights_report.txt
+│       ├── channel_optimization_report.txt
+│       ├── duplicate_pattern_report.txt
+│       ├── enhanced_summary_report.txt
+│       ├── skip_list_summary.txt
+│       └── skip_songs_detailed.json
+├── config/
+│   └── config.json            # Configuration settings
+├── cli/
+│   ├── main.py                # Main CLI application
+│   ├── matching.py            # Song matching logic
+│   ├── report.py              # Report generation
+│   └── utils.py               # Utility functions
+├── web/                       # Web UI for manual review
+│   ├── app.py                 # Flask web application
+│   └── templates/
+│       └── index.html         # Web interface template
+├── start_web_ui.py            # Web UI startup script
+├── test_tool.py               # Validation and testing script
+├── requirements.txt           # Python dependencies
+├── .gitignore                 # Git ignore rules
+├── PRD.md                     # Product Requirements Document
+└── README.md                  # Project documentation
+```
 
 ---
 
-## 7. Future Expansion: Web UI
+## 7. Web UI Implementation
 
-- Table/grid review, bulk actions
-- Embedded player for media preview
-- Config editor for channel priorities
+### 7.1 Current Web UI Features
+- **Interactive Table View**: Sortable, filterable grid of duplicate songs
+- **Bulk Selection**: Select multiple items for batch operations
+- **Search & Filter**: Real-time search across artists, titles, and paths
+- **Responsive Design**: Mobile-friendly interface
+- **Easy Startup**: Automated dependency checking and browser launch
+
+### 7.2 Web UI Architecture
+- **Flask Backend**: Lightweight web server (`web/app.py`)
+- **HTML Template**: Modern, responsive interface (`web/templates/index.html`)
+- **Startup Script**: Dependency management and server startup (`start_web_ui.py`)
+
+### 7.3 Future Web UI Enhancements
+- Embedded media player for audio/video preview
+- Real-time configuration editing
+- Advanced filtering and sorting options
+- Export capabilities for manual selections
 
 ---
 
@@ -200,11 +237,17 @@ The tool has been successfully implemented with the following components:
 - [x] Generate comprehensive skip list with metadata
 - [x] Optimize performance for large datasets (37,000+ songs)
 - [x] Add progress indicators and error handling
+- [x] Generate detailed analysis reports (`--save-reports` functionality)
+- [x] Create web UI for manual review of ambiguous cases
+- [x] Add test tool for validation and debugging
+- [x] Create startup script for web UI with dependency checking
+- [x] Add comprehensive .gitignore file
+- [x] Update documentation with required data file information
 
 #### 🎯 **Next Priority Items**
-- [x] Generate detailed analysis reports (`--save-reports` functionality)
 - [ ] Analyze MP4 files without channel priorities to suggest new folder names
-- [ ] Create web UI for manual review of ambiguous cases
 - [ ] Add support for additional file formats if needed
 - [ ] Implement batch processing capabilities
-- [ ] Create integration scripts for karaoke software
\ No newline at end of file
+- [ ] Create integration scripts for karaoke software
+- [ ] Add unit tests for core functionality
+- [ ] Implement audio fingerprinting for better duplicate detection
\ No newline at end of file
diff --git a/README.md b/README.md
index 3d706c8..f7ffbcf 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,15 @@ A powerful command-line tool for analyzing, deduplicating, and cleaning up large
 KaraokeMerge/
 ├── data/
 │   ├── allSongs.json          # Input: Your song library data
-│   └── skipSongs.json         # Output: Generated skip list
+│   ├── skipSongs.json         # Output: Generated skip list
+│   └── reports/               # Detailed analysis reports
+│       ├── analysis_data.json
+│       ├── actionable_insights_report.txt
+│       ├── channel_optimization_report.txt
+│       ├── duplicate_pattern_report.txt
+│       ├── enhanced_summary_report.txt
+│       ├── skip_list_summary.txt
+│       └── skip_songs_detailed.json
 ├── config/
 │   └── config.json            # Configuration settings
 ├── cli/
@@ -28,6 +36,14 @@ KaraokeMerge/
 │   ├── matching.py            # Song matching logic
 │   ├── report.py              # Report generation
 │   └── utils.py               # Utility functions
+├── web/                       # Web UI for manual review
+│   ├── app.py                 # Flask web application
+│   └── templates/
+│       └── index.html         # Web interface template
+├── start_web_ui.py            # Web UI startup script
+├── test_tool.py               # Validation and testing script
+├── requirements.txt           # Python dependencies
+├── .gitignore                 # Git ignore rules
 ├── PRD.md                     # Product Requirements Document
 └── README.md                  # This file
 ```
@@ -39,6 +55,42 @@ KaraokeMerge/
 - Python 3.7 or higher
 - Your karaoke song data in JSON format (see Data Format section)
 
+### Required Data File
+
+**Important**: You need to provide your own `data/allSongs.json` file. This file is excluded from version control due to its large size and personal nature.
+
+**Sample `allSongs.json` format:**
+```json
+[
+  {
+    "artist": "ACDC",
+    "title": "Shot In The Dark",
+    "path": "z://MP4\\ACDC - Shot In The Dark (Karaoke Version).mp4",
+    "guid": "8946008c-7acc-d187-60e6-5286e55ad502",
+    "disabled": false,
+    "favorite": false
+  },
+  {
+    "artist": "Queen",
+    "title": "Bohemian Rhapsody",
+    "path": "z://MP4\\Sing King Karaoke\\Queen - Bohemian Rhapsody (Karaoke Version).mp4",
+    "guid": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
+    "disabled": false,
+    "favorite": true
+  }
+]
+```
+
+**Required fields:**
+- `artist`: Song artist name
+- `title`: Song title
+- `path`: Full file path to the song file
+- `guid`: Unique identifier for the song
+
+**Optional fields:**
+- `disabled`: Boolean indicating if song is disabled (default: false)
+- `favorite`: Boolean indicating if song is favorited (default: false)
+
 ### Installation
 
 1. Clone or download this repository
@@ -59,7 +111,12 @@ python cli/main.py --dry-run
 
 # Save detailed reports
 python cli/main.py --save-reports
-```
+
+# Test the tool functionality
+python test_tool.py
+
+# Start the web UI for manual review
+python start_web_ui.py
 
 ### Command Line Options
 
@@ -152,6 +209,37 @@ Edit `config/config.json` to customize the tool's behavior:
 }
 ```
 
+## 🌐 Web UI for Manual Review
+
+The project includes a web interface for interactive review of duplicate songs:
+
+### Starting the Web UI
+
+```bash
+python start_web_ui.py
+```
+
+This script will:
+- Check for required dependencies (Flask)
+- Install missing dependencies automatically
+- Validate required data files exist
+- Start the web server
+- Open your browser automatically
+
+### Web UI Features
+
+- **Interactive Table**: Sortable, filterable grid of duplicate songs
+- **Bulk Selection**: Select multiple items for batch operations
+- **Real-time Search**: Filter by artist, title, or file path
+- **Responsive Design**: Works on desktop and mobile devices
+- **Detailed Information**: View full metadata for each duplicate
+
+### Web UI Requirements
+
+- Flask web framework (automatically installed if missing)
+- Generated skip list data (`data/skipSongs.json`)
+- Configuration file (`config/config.json`)
+
 ## 📈 Understanding the Output
 
 ### Summary Report
@@ -232,14 +320,32 @@ The codebase is designed for easy expansion:
 
 - **Modular Design**: Separate modules for matching, reporting, and utilities
 - **Configuration-Driven**: Easy to modify behavior without code changes
-- **Web UI Ready**: Structure supports future web interface development
+- **Web UI Implementation**: Full web interface for manual review and bulk operations
+- **Testing Framework**: Built-in test tool for validation and debugging
+- **Dependency Management**: Automated setup and dependency checking
+
+### Testing and Validation
+
+Use the built-in test tool to validate your setup:
+
+```bash
+python test_tool.py
+```
+
+This will:
+- Test all module imports
+- Validate configuration loading
+- Test with a sample of your song data
+- Verify report generation
+- Provide feedback on any issues
 
 ### Adding New Features
 
 1. **New File Formats**: Add extensions to `config.json`
 2. **New Matching Rules**: Extend `SongMatcher` class in `matching.py`
 3. **New Reports**: Add methods to `ReportGenerator` class
-4. **Web UI**: Build on existing CLI structure
+4. **Web UI Enhancements**: Extend `web/app.py` and `web/templates/index.html`
+5. **Testing**: Add test cases to `test_tool.py`
 
 ## 🎯 Current Status
 
@@ -251,6 +357,10 @@ The codebase is designed for easy expansion:
 - **Performance Optimization**: Handles large libraries (37,000+ songs) efficiently
 - **Enhanced Analysis & Reporting**: Comprehensive statistical analysis with actionable insights
 - **Pattern Analysis**: Skip list pattern analysis and channel optimization suggestions
+- **Web UI**: Interactive web interface for manual review and bulk operations
+- **Testing & Validation**: Test tool for functionality validation and debugging
+- **Dependency Management**: Automated dependency checking and installation
+- **Project Documentation**: Comprehensive .gitignore and updated documentation
 
 ### 🚀 **Ready for Use**
 The tool is production-ready and has successfully processed a large karaoke library:
@@ -268,12 +378,15 @@ The tool is production-ready and has successfully processed a large karaoke libr
 - ✅ Add statistical insights and trends
 - ✅ Pattern analysis and channel optimization suggestions
 
-### Phase 3: Web Interface
-- Interactive table/grid for duplicate review
-- Embedded media player for preview
-- Bulk actions and manual overrides
-- Real-time configuration editing
-- Manual review interface for ambiguous cases
+### Phase 3: Web Interface ✅
+- ✅ Interactive table/grid for duplicate review
+- ✅ Bulk actions and manual overrides
+- ✅ Real-time filtering and search
+- ✅ Responsive design for mobile/desktop
+- ✅ Easy startup with dependency checking
+- [ ] Embedded media player for preview
+- [ ] Real-time configuration editing
+- [ ] Advanced export capabilities
 
 ### Phase 4: Advanced Features
 - Audio fingerprinting for better duplicate detection
@@ -311,9 +424,11 @@ This project is open source. Feel free to use, modify, and distribute according
 
 ### Getting Help
 
-1. Check the configuration with `python cli/main.py --show-config`
-2. Run with `--verbose` for detailed output
-3. Use `--dry-run` to test without generating files
+1. **Test your setup**: Run `python test_tool.py` to validate everything is working
+2. **Check configuration**: Use `python cli/main.py --show-config` to verify settings
+3. **Verbose output**: Run with `--verbose` for detailed information
+4. **Dry run**: Use `--dry-run` to test without generating files
+5. **Web UI**: Start `python start_web_ui.py` for interactive review
 
 ## 📊 Performance & Results
 
diff --git a/cli/__pycache__/matching.cpython-313.pyc b/cli/__pycache__/matching.cpython-313.pyc
index e7fa632..288c541 100644
Binary files a/cli/__pycache__/matching.cpython-313.pyc and b/cli/__pycache__/matching.cpython-313.pyc differ
diff --git a/cli/__pycache__/report.cpython-313.pyc b/cli/__pycache__/report.cpython-313.pyc
index 0e00968..675236c 100644
Binary files a/cli/__pycache__/report.cpython-313.pyc and b/cli/__pycache__/report.cpython-313.pyc differ
diff --git a/cli/__pycache__/utils.cpython-313.pyc b/cli/__pycache__/utils.cpython-313.pyc
index c6a1086..b7077c4 100644
Binary files a/cli/__pycache__/utils.cpython-313.pyc and b/cli/__pycache__/utils.cpython-313.pyc differ
diff --git a/cli/matching.py b/cli/matching.py
index 2ba3ef4..6d80aa9 100644
--- a/cli/matching.py
+++ b/cli/matching.py
@@ -14,6 +14,7 @@ except ImportError:
 from utils import (
     normalize_artist_title, 
     extract_channel_from_path, 
+    extract_consolidated_channel_from_path,
     get_file_extension,
     parse_multi_artist,
     validate_song_data,
@@ -163,11 +164,8 @@ class SongMatcher:
         return False
     
     def get_channel_priority(self, file_path: str) -> int:
-        """Get channel priority for MP4 files based on configured folder names."""
-        if not file_path.lower().endswith('.mp4'):
-            return -1  # Not an MP4 file
-        
-        channel = extract_channel_from_path(file_path, self.channel_priorities)
+        """Get channel priority for files based on configured folder names."""
+        channel = extract_consolidated_channel_from_path(file_path, self.channel_priorities)
         if not channel:
             return len(self.channel_priorities)  # Lowest priority if no channel found
         
@@ -235,10 +233,10 @@ class SongMatcher:
                 ext = get_file_extension(song['path'])
                 stats['file_type_breakdown'][ext] += 1
                 
-                if ext == '.mp4':
-                    channel = extract_channel_from_path(song['path'], self.channel_priorities)
-                    if channel:
-                        stats['channel_breakdown'][channel] += 1
+                # Use consolidated channel extraction for all file types
+                channel = extract_consolidated_channel_from_path(song['path'], self.channel_priorities)
+                if channel:
+                    stats['channel_breakdown'][channel] += 1
             
             # Select best song and mark others for skipping
             best_song, group_skips = self.select_best_song(group_songs)
diff --git a/cli/utils.py b/cli/utils.py
index 3ede021..5e28c8b 100644
--- a/cli/utils.py
+++ b/cli/utils.py
@@ -117,6 +117,104 @@ def extract_channel_from_path(file_path: str, channel_priorities: List[str] = No
         if re.search(escaped_channel, path_lower):
             return channel
     
+    # If no configured channel found, extract the parent directory name
+    # Split path and look for the folder containing the file
+    parts = file_path.split('\\')
+    
+    # Look for MP4 folder structure: MP4/ChannelName/song.mp4
+    for i, part in enumerate(parts):
+        if part.lower() == 'mp4' and i < len(parts) - 1:
+            # If MP4 is found, return the next folder (the actual channel)
+            if i + 1 < len(parts):
+                next_part = parts[i + 1]
+                # Check if the next part is a folder (no file extension) or a file
+                if '.' not in next_part:
+                    return next_part  # It's a folder, so it's the channel name
+                else:
+                    return 'MP4 Root'  # File is directly in MP4 folder
+            else:
+                return 'MP4 Root'
+    
+    # If no specific channel found, return the folder containing the file
+    if len(parts) >= 2:
+        parent_folder = parts[-2]  # Second to last part (folder containing the file)
+        # If parent folder is MP4, then file is in root
+        if parent_folder.lower() == 'mp4':
+            return 'MP4 Root'
+        # Make sure we're returning a folder name, not a filename
+        if '.' not in parent_folder:
+            return parent_folder
+        else:
+            # If parent is also a file, go up one more level
+            if len(parts) >= 3:
+                grandparent = parts[-3]
+                if '.' not in grandparent:
+                    return grandparent
+    
+    return None
+
+
+def extract_consolidated_channel_from_path(file_path: str, channel_priorities: List[str] = None) -> Optional[str]:
+    """Extract channel information with consolidated MP3/CDG handling."""
+    path_lower = file_path.lower()
+    parts = file_path.split('\\')
+    
+    # Handle MP3/CDG files - consolidate all CDG folder content under "MP3"
+    if file_path.lower().endswith(('.mp3', '.cdg')):
+        # Look for CDG folder structure: CDG/ParentFolder/SubFolder/file.mp3
+        for i, part in enumerate(parts):
+            if part.lower() == 'cdg' and i < len(parts) - 1:
+                # If CDG is found, return "MP3" as the consolidated channel
+                return 'MP3'
+        
+        # If not in CDG folder but still MP3/CDG, return "MP3"
+        return 'MP3'
+    
+    # Handle MP4 files - keep existing channel logic
+    if not file_path.lower().endswith('.mp4'):
+        return None
+    
+    if not channel_priorities:
+        return None
+    
+    # Look for configured channel priority folder names in the path
+    for channel in channel_priorities:
+        # Escape special regex characters in the channel name
+        escaped_channel = re.escape(channel.lower())
+        if re.search(escaped_channel, path_lower):
+            return channel
+    
+    # If no configured channel found, extract the parent directory name
+    # Look for MP4 folder structure: MP4/ChannelName/song.mp4
+    for i, part in enumerate(parts):
+        if part.lower() == 'mp4' and i < len(parts) - 1:
+            # If MP4 is found, return the next folder (the actual channel)
+            if i + 1 < len(parts):
+                next_part = parts[i + 1]
+                # Check if the next part is a folder (no file extension) or a file
+                if '.' not in next_part:
+                    return next_part  # It's a folder, so it's the channel name
+                else:
+                    return 'MP4 Root'  # File is directly in MP4 folder
+            else:
+                return 'MP4 Root'
+    
+    # If no specific channel found, return the folder containing the file
+    if len(parts) >= 2:
+        parent_folder = parts[-2]  # Second to last part (folder containing the file)
+        # If parent folder is MP4, then file is in root
+        if parent_folder.lower() == 'mp4':
+            return 'MP4 Root'
+        # Make sure we're returning a folder name, not a filename
+        if '.' not in parent_folder:
+            return parent_folder
+        else:
+            # If parent is also a file, go up one more level
+            if len(parts) >= 3:
+                grandparent = parts[-3]
+                if '.' not in grandparent:
+                    return grandparent
+    
     return None
 
 
diff --git a/web/app.py b/web/app.py
index 5fccee3..0669f23 100644
--- a/web/app.py
+++ b/web/app.py
@@ -70,12 +70,22 @@ def get_file_type(path: str) -> str:
     return 'Unknown'
 
 def extract_channel(path: str) -> str:
-    """Extract channel name from path."""
+    """Extract channel name from path with consolidated MP3/CDG handling."""
     path_lower = path.lower()
-    
-    # Split path into parts
     parts = path.split('\\')
     
+    # Handle MP3/CDG files - consolidate all CDG folder content under "MP3"
+    if path.lower().endswith(('.mp3', '.cdg')):
+        # Look for CDG folder structure: CDG/ParentFolder/SubFolder/file.mp3
+        for i, part in enumerate(parts):
+            if part.lower() == 'cdg' and i < len(parts) - 1:
+                # If CDG is found, return "MP3" as the consolidated channel
+                return 'MP3'
+        
+        # If not in CDG folder but still MP3/CDG, return "MP3"
+        return 'MP3'
+    
+    # Handle MP4 files - keep existing channel logic
     # Look for specific known channels first
     known_channels = ['Sing King Karaoke', 'KaraFun Karaoke', 'Stingray Karaoke']
     for channel in known_channels:
@@ -88,9 +98,9 @@ def extract_channel(path: str) -> str:
             # If MP4 is found, return the next folder (the actual channel)
             if i + 1 < len(parts):
                 next_part = parts[i + 1]
-                # Skip if the next part is the filename (no extension means it's a folder)
+                # Check if the next part is a folder (no file extension) or a file
                 if '.' not in next_part:
-                    return next_part
+                    return next_part  # It's a folder, so it's the channel name
                 else:
                     return 'MP4 Root'  # File is directly in MP4 folder
             else:
@@ -98,7 +108,7 @@ def extract_channel(path: str) -> str:
     
     # Look for any folder that contains 'karaoke' (fallback)
     for part in parts:
-        if 'karaoke' in part.lower():
+        if 'karaoke' in part.lower() and '.' not in part:
             return part
     
     # If no specific channel found, return the folder containing the file
@@ -107,7 +117,15 @@ def extract_channel(path: str) -> str:
         # If parent folder is MP4, then file is in root
         if parent_folder.lower() == 'mp4':
             return 'MP4 Root'
-        return parent_folder
+        # Make sure we're returning a folder name, not a filename
+        if '.' not in parent_folder:
+            return parent_folder
+        else:
+            # If parent is also a file, go up one more level
+            if len(parts) >= 3:
+                grandparent = parts[-3]
+                if '.' not in grandparent:
+                    return grandparent
     
     return 'Unknown'