https://musicfolder.com/
Music Folders – MUSICFOLDER.com
We provide choral music folders that let singers, directors, and choruses perform better, including the world renowned black folder.
music folders
https://support.apple.com/en-ng/guide/music-windows/musb6032bb56/windows
Organize playlists in folders in Apple Music on Windows - Apple Support (NG)
In Apple Music on Windows, add folders to better organize your playlists of songs and music videos.
apple musicwindows supportorganizeplaylistsfolders