Music fans watch as Carlos Santana performs on stage during San Francisco Fest 2016 at AT&T Park in San Francisco, Calif., on Sunday, Sept. 4, 2016. (Jose Carlos Fajardo/Bay Area News Group)
Carlos Santana performs on stage during San Francisco Fest 2016 at AT&T Park in San Francisco, Calif., on Sunday, Sept. 4, 2016. (Jose Carlos Fajardo/Bay Area News Group)
Arnel Pineda of Journey performs on stage during San Francisco Fest 2016 at AT&T Park in San Francisco, Calif., on Sunday, Sept. 4, 2016. (Jose Carlos Fajardo/Bay Area News Group)
The Steve Miller Band performs on stage during San Francisco Fest 2016 at AT&T Park in San Francisco, Calif., on Sunday, Sept. 4, 2016. (Jose Carlos Fajardo/Bay Area News Group)
Tom Johnston of The Doobie Brothers performs on stage during San Francisco Fest 2016 at AT&T Park in San Francisco, Calif., on Sunday, Sept. 4, 2016. (Jose Carlos Fajardo/Bay Area News Group)
Steve Miller of The Steve Miller Band performs on stage during San Francisco Fest 2016 at AT&T Park in San Francisco, Calif., on Sunday, Sept. 4, 2016. (Jose Carlos Fajardo/Bay Area News Group)
An audience member dances to the music of Carlos Santana on stage during San Francisco Fest 2016 at AT&T Park in San Francisco, Calif., on Sunday, Sept. 4, 2016. (Jose Carlos Fajardo/Bay Area News Group)
Jonathan Cain of Journey performs on stage during San Francisco Fest 2016 at AT&T Park in San Francisco, Calif., on Sunday, Sept. 4, 2016. (Jose Carlos Fajardo/Bay Area News Group)
Cindy Blackman on drums while performing with Carlos Santana on stage during San Francisco Fest 2016 at AT&T Park in San Francisco, Calif., on Sunday, Sept. 4, 2016. (Jose Carlos Fajardo/Bay Area News Group)
John Cowan of the Doobie Brothers performs on stage during San Francisco Fest 2016 at AT&T Park in San Francisco, Calif., on Sunday, Sept. 4, 2016. (Jose Carlos Fajardo/Bay Area News Group)
Music fans take a selfie as The Doobie Brothers perform on stage during San Francisco Fest 2016 at AT&T Park in San Francisco, Calif., on Sunday, Sept. 4, 2016. (Jose Carlos Fajardo/Bay Area News Group)
Kenny Lee Lewis of The Steve Miller Band performs on stage during San Francisco Fest 2016 at AT&T Park in San Francisco, Calif., on Sunday, Sept. 4, 2016. (Jose Carlos Fajardo/Bay Area News Group)
Ross Valory of Journey performs on stage during San Francisco Fest 2016 at AT&T Park in San Francisco, Calif., on Sunday, Sept. 4, 2016. (Jose Carlos Fajardo/Bay Area News Group)
Jacob Petersen of The Steve Miller Band performs on stage during San Francisco Fest 2016 at AT&T Park in San Francisco, Calif., on Sunday, Sept. 4, 2016. (Jose Carlos Fajardo/Bay Area News Group)
Music fans listen to the music of Carlos Santana on stage during San Francisco Fest 2016 at AT&T Park in San Francisco, Calif., on Sunday, Sept. 4, 2016. (Jose Carlos Fajardo/Bay Area News Group)
