I’ve been doing flipped-classroom — which is really just enhanced Socratic method — for several years; the transition to Zoom was pretty painless.

I’m going to steal your idea of designating a reporter-out for small-group breakout rooms.

Instead of recording ~lectures~, I’ve started playing around with audio-recording myself reading chapters of the course book. (I’m the author; it’s a work in progress.) I’ll be posting single-chapter MP3s on the course Web page to see if it’s useful to students to listen to in the car, etc. Down the road that might lead to a crude-but-complete audiobook on Audible.com (now an Amazon property).