Simon Janes
One thing that only foobar2000 seems to get right are Opus albums--files that have mutiple songs stored inside. Haven't seen any of the Linux audio libraries get that one right.
Mark Dain
Isn't Opus a relatively new format? Might take some time for it to be supported everywhere
Simon Janes
Finalized over four years ago. Sounds superior than MP3 at half the bitrate.