foobar2000

https://www.foobar2000.org/

macOS

Layout configuration:

splitter horizontal style=thin
 playback-controls
 splitter vertical style=thin
  splitter horizontal style=thin
   refacets
   splitter vertical style=thin
    playlist-manager
    tabs
     albumart type="front cover" tab-name="Front"
     albumart type="back cover" tab-name="Back"
  playlist