We (Ferris State University Theatre) just got through with an online production of MTI's The Theory of Relativity

available on ShowTix.com  (no charge)  We ran into some issues (especially since this is our first time doing anything like this)  but it might be helpful to you.  I myself am looking for shows (not just musicals) that were done exclusively on Zoom LIVE (as the Big One-0 is great but very engineered and doesn't look like it could have been done all LIVE [what with the specific screen splits etc.])  But I have to watch it again. The biggest issue is syncing up music and rehearsing music on Zoom--NOT easy as the lag)