In my experience the music app will do the right thing if you set the "Album Artist" field (e.g. to "Various Artists" for something like a soundtrack album). This field is visible/editable in at least Rhythmbox and Banshee, probably tagging programs like picard too (though I haven't checked).
In my experience the music app will do the right thing if you set the "Album Artist" field (e.g. to "Various Artists" for something like a soundtrack album). This field is visible/editable in at least Rhythmbox and Banshee, probably tagging programs like picard too (though I haven't checked).