The Latest Breaking News from Stephen Stills

LOS ANGELES — David Crosby, who helped found two supergroups that broadened and deepened the reach of rock music, and who, with his outspoken political pronouncements and famously outsized appetites came to symbolize the Woodstock generation’s exuberance and excesses, has died, according to a source close to the musician.

The singer, songwriter and guitarist also co-founded ’60s folk-rockers The Byrds.

SAN DIEGO — Richie Furay has never lived in San Diego, but the 1997 Rock & Roll Hall of Fame inductee and co-founder of the pioneering bands Buffalo Springfield and Poco can credit the city for twice playing a key role in revitalizing his career.

Graham Nash was 25 when he wrote his classic 1968 song, "Teach Your Children." He recorded it a year later on the debut album by the then-budding supergroup Crosby, Stills & Nash, which teamed him with David Crosby and Stephen Stills.