Missed Janet Jackson at Outside Lands? Catch her at 8 tonight at the Bill Graham Civic in The City.

Organizers of The Concert for UCSF Benioff Children’s Hospitals (the show presented with Salesforce’s annual Dreamforce conference) announced that the pop star will join the top-billed Metallica, which plays outdoors in the Civic Center Plaza at 8:30 p.m.

The $1,000-per-ticket event also includes appearances by MC Hammer and DJ Rob Garza in an after-party from 9:30 p.m. to midnight in City Hall.

The evening begins with a reception in which Dr. Michael Anderson, president of UCSF Benioff Children’s Hospitals, will present Myla Cunanan, a 14-year-old cancer survivor, with the UCSF General Colin Powell Medal of Courage Award.

Visit twww.theconcertforkids.com for details.