Fix Guide: Sequoia Apple Music 'Library Loading' Spinning Wheel

Symptom: Opening the Music app on macOS Sequoia (15.x) results in an endless spinning wheel or a "Loading Library..." message that never resolves.

Why this happens

Sequoia's Music app uses a new caching system for Dolby Atmos and Lossless assets. If the local metadata file (Music Library.musiclibrary) is locked by another process or the cache is corrupted, the app hangs.

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Fix 1: De-authorize and Re-authorize (Free)

Refresh your account's connection to the Apple Music servers.

1. In Music App

• Go to Account > Authorizations > Deauthorize This Computer....

1. Re-authorize

• Go back to Account > Authorizations > Authorize This Computer... and sign in.

Fix 2: Force Sync Library (Free)

Manually trigger a cloud refresh.

1. Go to Settings

• In Music, go to Settings > General.

1. Toggle Sync Library

• Uncheck Sync Library, click OK.
• Wait 30 seconds, then re-check it.

Fix 3: Delete the Music Cache

The nuclear option if the app remains frozen.

1. Go to Folder

• In Finder, press Cmd + Shift + G and go to ~/Library/Caches/com.apple.Music.

1. Delete Contents

• Move all files inside this folder to the Trash.

1. Restart Music

• The app will rebuild its local cache (this may take a few minutes for large libraries).

Recommended Tool: CleanMyMac X

When the Music app is stuck loading, it's usually a cache lock. Use CleanMyMac X’s System Junk module to clear the application caches safely. This removes the corrupted temporary files without affecting your actual music library.

[Unfreeze Apple Music with CleanMyMac X]