set TrackInfo.index in track_for_id
set TrackInfo.index in track_for_id

ibmibmibm/beets,SusannaMaria/beets,SusannaMaria/beets,beetbox/beets,jackwilsdon/beets,ibmibmibm/beets,shamangeorge/beets,beetbox/beets,ibmibmibm/beets,beetbox/beets,SusannaMaria/beets,sampsyo/beets,shamangeorge/beets,jackwilsdon/beets,jackwilsdon/beets,ibmibmibm/beets,shamangeorge/beets,sampsyo/beets,sampsyo/beets,SusannaMaria/beets,sampsyo/beets,shamangeorge/beets,jackwilsdon/beets,beetbox/beets