Probably every 4 out of 5 songs do this where the song doesn't play at all. The menu and shop themes play but the actual songs don't.
#Song not playing and timer displaying 00:00
hearty helm
dreamy berry
nice bug report
unfortunately roblox is unstable atm 
full cave
Probably every 4 out of 5 songs do this where the song doesn't play at all. The ...
this is the third report related to something like this
did you just joined? (aka first time playing)
did it work before?
what's your platform? (and also username to check some stuff)