Metallica frontman James Hetfield and Green Day's Billie Joe Armstrong will lead the talent lineup at the upcoming pediatric cancer benefit 'Acoustic 4 a Cure' in San Francisco. The event will take place Thursday, May 15 at The Fillmore in San Francisco, with the proceeds from the show going to the UCSF Benioff Children's Hospital.

Both Bay Area musicians will be joined by a stellar music lineup. Sammy Hagar, Train's Pat Monahan, guitar great Joe Satriani, Heart's Nancy Wilson and Scott Mathews are also on the bill for the acoustic benefit.

Hetfield has been working with Metallica on a new album and the band just debuted their new song 'The Lords of Summer' during a show in Colombia over the weekend. In addition, just revealed they will take part in another benefit, as they'll play the MusiCares MAP Fund awards show, which this year honors Ozzy Osbourne, on May 12 in Los Angeles.

As for Armstrong, he's catching a well-deserved breather after Green Day's triple album project. The vocalist did step out from the band to join Norah Jones on the collaborative disc 'Foreverly,' which dropped late last year.

Tickets for the 'Acoustic 4 a Cure' pediatric cancer benefit go on sale this Friday (March 21) at 10 AM PT at this location.

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