Metallica 's James Hetfield , Sammy Hagar and Green Day 's Billie Joe Armstrong are joining together with some other friends for "Acoustic 4 a Cure," an evening of unplugged music to benefit the Pediatric Cancer Program at UCSF Benioff Children's Hospital in San Francisco.
The show will feature Hetfield, Hagar and Armstrong -- along with Joe Satriani , Pat Monahan of Train , and Nancy Wilson of Heart -- doing solo acoustic performances as well as what the event's website promises as "once in a lifetime duets and jam sessions" at The Fillmore in San Francisco.
The show will happen on the evening of May 15. Tickets go on sale March 22 at 10 a.m. Pacific time.
Copyright 2014 ABC News Radio