Directory tree is your music library

Features 3 columns UI: directory tree (aka library), playlists and tracks from selected playlist. Middle-click on folder or track in the directory view and it will become a playlist an its content will be loaded into tracks view. Create multiple playlists from folders in your library and switch between them quickly. Similar to “Album list” in Foobar2000.

mpz-player.org
github.com/olegantonyan/mpz