Forty-five years after he made musical history with David Crosby and Stephen Stills, Graham Nash, 71, continues to create and garner respect not only as a musician, but also as a photographer and digital imaging pioneer. See his work in “This Could Be You: Photographs & Paintings by Graham Nash” at the San Francisco Art Exchange, which opened August 24th and will be there through the end of September. Click here to see an interview about the show on a San Francisco news broadcast. In Southern California, he debuts new photo assemblages at “This Could Be You,” a solo exhibition opening September 1 at Gallery 169 in Santa Monica with an artist’s reception from 5-8 p.m.