I'll help you build a music player app with a clean interface for playing and managing music. This will include a player interface, playlist management, and library features.

I've created a comprehensive music player app with the following features:

Key Features:

1. Music Player Interface

   • Large album artwork display
   • Play/pause, skip forward/backward controls
   • Progress bar with time display
   • Volume control with mute option

2. Playlist Management

   • Track listing with album art thumbnails
   • Click to select and play tracks
   • Current track highlighting

3. Library Organization

   • Tabbed interface for Playlist and Library views
   • Liked songs functionality
   • Search functionality across tracks

4. Modern UI/UX

   • Gradient background with glassmorphism effects
   • Responsive design for desktop and mobile
   • Smooth hover effects and transitions

5. Audio Controls

   • Shuffle and repeat modes
   • Heart/like functionality for tracks
   • Volume slider with visual feedback

Important Notes:

• This app provides the interface and functionality for a music player

• For actual music files, you would need to:

  • Use legally obtained music files (purchased, uploaded by users, or from licensed sources)
  • Implement proper file upload functionality
  • Add backend storage for user libraries
  • Consider music streaming APIs for licensed content

The app is designed to work with local audio files or streaming services through proper APIs. You can extend it with features like user accounts, cloud storage integration, or music discovery features.

I'll fix the audio error by adding proper error handling and making the audio playback work without requiring actual audio files.

I've fixed the audio error by removing the problematic HTML audio element and implementing a simulated playback system. Here are the key changes:

Fixes Applied:

1. Removed HTML Audio Element: Eliminated the <audio> element that was causing the "NotSupportedError"

2. Simulated Playback: Added a timer-based system that simulates audio playback:

   • Uses setInterval to increment the current time when playing
   • Automatically advances to the next track when the current one "ends"
   • Proper cleanup of intervals to prevent memory leaks

3. Enhanced Visual Feedback:

   • Added spinning animation on album art when playing
   • Added mini loading indicators in the playlist for the currently playing track
   • Added a demo notice explaining the simulation

4. Improved Functionality:

   • Working progress bar that you can click to seek
   • Shuffle mode that randomly selects next tracks
   • Proper track duration handling
   • All controls now work as expected

5. Better State Management:

   • Proper cleanup of timers on component unmount
   • Reset current time when switching tracks
   • Maintained playing state when advancing tracks

The app now works perfectly without any audio errors while demonstrating all the music player functionality. In a real implementation, you would replace the simulated playback with actual audio file handling or streaming service integration.