Obituary
David Crosby, Co-Founder of Byrds and Crosby, Stills and Nash, Dies at 81
David Crosby performs in Los Angeles in 2013.
Photographer: Mike Windle/Getty Images
US musician David Crosby, who co-founded two influential rock bands during his career, has died at the age of 81.
The singer-songwriter rose to fame in LA-based folk-rock group The Byrds, who he joined in 1964 and collaborated on chart-topping hits including Mr Tambourine Man and Turn! Turn! Turn!.