Rock guitarist Ronnie Montrose dies in Millbrae

This undated photo provided by Prime Time Entertainment Inc. shows Rock guitarist Ronnie Montrose. Montrose, who formed the band that bore his name and performed with some of rock's heavy hitters, passed away at his home in Millbrae, Calif. on Saturday, March 3, 2012, his booking agent said. He was 64. (AP Photo/Prime Time Entertainment Inc)

SAN FRANCISCO (AP) — Rock guitarist Ronnie Montrose, who formed the band that bore his name and performed with some of rock's heavy hitters, has died, his booking agent said Sunday.

Montrose died Saturday at his home in Millbrae, agent Jim Douglas said. He was 64.

Montrose had been in declining health for some time, battling prostate cancer and "personal demons," Douglas said.

Besides forming his own band in 1973, Montrose performed with a number of rockers, including Sammy Hagar, Herbie Hancock, Van Morrison, Boz Scaggs and the Edgar Winter Group.

"The guy was such a legendary figure for so many people," Douglas said. "He influenced so many bands."

Douglas described Montrose as "one of the founding farmers of rock and roll," while Montrose's wife, Leighsa, noted his work ethic.

"He was very hard on himself," she told the San Francisco Chronicle. "He would play shows where there would be three standing ovations, and all he would talk about on the drive home is what he didn't do right."

Montrose was working on releasing his first DVD and was about to embark on a spring tour later this month that would have taken him across the U.S., Douglas said.

Besides his wife, Montrose is survived by a daughter and five grandchildren. Services are pending.