BOC/BRAIN: Soft White Underbelly played with the MC5!!!!

[Jason Scruton]

You read the subject line right. My socks were knocked off, cuz this 
would be the thing I would certainly memorize, but I don't recall 
anyone ever mentioning it.
That' sFAQ worthy, I'd reckon (assuming the gig went through as planned).

Check out the poster evidence:
http://makemyday.free.fr/68/mc5_posters_1968_42.htm

The basic text:
DECEMBER 31, 1968 Tuesday /10PM
Elektra artists
MC-5 ,
Soft White Underbelly
David Peel
& The Lower East Side
*Broadway Central Hotel*
673 Broadway New York


and 2.50 a person!