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, Jim Douglas, says Montrose died Saturday at his home in Millbrae, California. He was 64.

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

Rock guitarist Ronnie Montrose dies - Yahoo! News

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"What you hear in a great jazz band is the sound of democracy. “The jazz band works best when participation is shaped by intelligent communication.”
Harmony happens whenever different parts get to form a whole by means of congruity, concord, symetry, consistency, conformity, correspondence, agreement, accord, unity, consonance…….