I've been slowly reading
A Wizard a True Star: Todd Rundgren in the Studio over the summer.
Slowly, because I am unfamiliar with so much of the music discussed within it, such that after each chapter I turned to YouTube and listened to what I'd been reading about. Psychedelic Furs? Not on my playlist. Still not, but it's interesting that Rundgren played marimba on their one hit record, and that Flo and Eddie sang BGVs.
This book is biographical but it isn't a biography. Unlike most rockumentaries, it's more concerned with studio gear and recording techniques than whose drinking spun out of control. We learn, for example, that the lead singer of the above-mentioned group
thought he was singing into a handheld SM58 when in fact that channel was muted and his vocal was actually being captured by a U87. And that Todd had covered the windows with black plastic because the singer could only perform at night, while Todd did not like to work past 8:00 PM.
I realize this kind of geekery doesn't appeal to everybody. But I enjoyed it, and I suspect there are plenty of kindred spirits here who'd dig it, too.