Herbie Hancock & the Headhunters - WLIR Ultrasonic Concert Series, Ultrasonic Recording Studios, Hempstead, NY, 10-1-1973

I recently posted a couple of concert albums by Chick Corea and his band Return to Forever, and John McLaughlin and his band the Mahavishnu Orchestra (as I write this in August 2026). I'm not into that kind of jazz. But I do want to post all the worthy concerts from certain concert series, and I know other people do like this kind of music. So here's a Herbie Hancock concert from that same time…