I found it via a search of playwright "Anton Piatigorsky" (who's play, ETERNAL HYDRA I'm going to see this afternoon) ... believe it or not ... (Google is magic).
At SONGATRON the magic of music and production is explained thusly:
"SONGATRON (noun): Mystery machine discovered by Jonathan Mann. SONGATRON makes videos and music daily. The results are posted here."
From Thursday, February 10th 2011,
Jonathan Mann and The Rock Cookie Bottom's
#766 Wren The Polyamourous Bear (LIVE!)
Jonathan Mann's "Song A Day" at Youtube (all uploads).
Video: Jonathan Mann - A Brief History of Creative Work.