I work for a company that builds virtual classrooms based on webrtc. Our customers are mostly business schools, but we have some music schools. For them we activate a different profile that disables all audio processing and selects the music profile of opus (opus are in fact 2 different codecs, one aimed at speech, one aimed at music). It would likely be very easy to do something like this in jitsi meet as well, since webrtc has everything onboard. The tricky part is that you also need to disable echo cancellation. So everyone must be wearing headsets and so on.