From Wikipedia, the free encyclopedia. Pino Palladino (born 17 October 1957) is a Welsh bass guitarist who gained fame playing primarily rock and roll, blues rock, and rhythm and blues music, although he has been lauded for his ability to play most genres of popular music, including jazz, neo soul, and funk. His career has spanned several ensembles, including the John Mayer Trio and The RH Factor, a band mixing elements of soul, jazz and R&B, which he formed with jazz trumpeter Roy Hargrove...