Apple Music ALAC Downloader

Original script by Sorrow. Modified by me to include some fixes and improvements.

How to use

1. Create a virtual device on Android Studio with a image that doesn't have Google APIs.
2. Install this version of Apple Music: https://www.apkmirror.com/apk/apple/apple-music/apple-music-3-6-0-beta-release/apple-music-3-6-0-beta-4-android-apk-download/. You will also need SAI to install it: https://f-droid.org/pt_BR/packages/com.aefyr.sai.fdroid/.
3. Launch Apple Music and sign in to your account. Subscription required.
4. Port forward 10020 TCP: adb forward tcp:10020 tcp:10020.
5. Start frida server.
6. Start the frida agent: frida -U -l agent.js -f com.apple.android.music.
7. Start downloading some albums: go run main.go https://music.apple.com/us/album/whenever-you-need-somebody-2022-remaster/1624945511.