I've spent most of 2020 building something similar. Now I just wish I had a landing page ready so I can plug it here instead of over engineering the app itself, but oh well :)
Anyway, what I'm building is meant more for the repetitive kinds of electronic music, but I solved the problem by just making it work like a shared loop pedal that records up to 16 measures of audio.
Everyone works asynchronously and can add or remove audio on their own time, but loops get synced to other players as they get recorded.
Best part? You can do cool stuff with browsers nowadays (even record uncompressed audio). So it just needs a web browser.
Yes you can! :)
I just put my email up on my profile, ping me and I'll let you know when the private beta is online! I'm aiming to get an MVP and a landing page online in the coming month.
I'm working for a browser-based app for electronic musicians to jam together online (not real-time, I think I found a compromise)
Funny how I didn't anticipate that the biggest obstacles to launching it will be my own mind, in the form of imposter syndrome and insecurity. That, and the lockdowns have been a bit rough. Almost there though, and a lot of lessons learned. I assume there's probably some more lessons in actually getting the first users coming up next, but I'll cross that bridge when I get there I guess :)