In October 1966, California pop group the Beach Boys released their "pocket symphony" Good Vibrations. It's regularly named as one of the best pop songs ever written - but it came at a turning point for the band. Singer Mike Love tells Witness about recording the song.

PICTURE: The Beach Boys in 1964. From left to right, Mike Love, Al Jardine, Brian Wilson, Dennis Wilson (1944 - 1983) and Carl Wilson (1946 - 1998). (Fox Photos/Getty Images)