Q: is it possible to play music live with people online or is lag always too long?
A: as of now, this year (2022), using normal phone or chat software, the delay is much too long to play synchronized music together. there might be some specialized software/hardware solutions out there currently which i have not tried. but nonetheless, the latency will come down as the years progress. i'd estimate in 5 to 10 years the problem will be solved, unless the whole situation is upended by much more ridiculous problems