Hi all,

I'm looking at audio again because I have a student doing a game project for 
which he wants background music to play — and I'm feeling some trepidation 
based on most of the audio-tagged packages on pkgs.racket-lang.org showing some 
test failures or other build problems.

His minimal goal is to loop a sound file from the start of play until the end, 
and have it work on Windows and Mac. We tried play-sound from racket/gui/base, 
and it almost fits: we just need to be able to kill the sound at the end, and 
it seems that killing the sound-playing thread is not enough. Is there a way to 
stop the audio?

His ideal goal is to be able to play different background music depending on 
the room the player is in. AFAICT this is beyond play-sound's ability, at least 
if he wants to do smooth transitions. Is there another library which would 
facilitate cross-fading from one audio file to another?

More generally, what are currently our best tools for incorporating music and 
sound effects into Racket games?

Best,
Jordan

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