He is heard on some of the largest-selling records of the era by such artists as Bobby Darin, Ricky Nelson, Merle Haggard, The Monkees, Elvis Presley, Frank Sinatra, Dean Martin, The Association, Jan & Dean and The Mamas & the Papas.He was a full-fledged member of The Beach Boys, filling in for an ailing Brian Wilson on tour in 1964 and 1965 and he also played on the Pet Sounds album.Other classic