Joseph Leonard Bonamassa ( BAH-nə-MAH-sə; born May 8, 1977) is an American blues rock guitarist, singer and songwriter. He started his career at age 12, when he opened for B.B. King. In the last 13 years Bonamassa has put out 15 solo albums through his independent record label J&R Adventures, of which 11 have reached number 1 on the Billboard Blues charts. Bonamassa has played alongside many notable blues and rock artists, and earned a Grammy Award nomination in 2013. Among guitarists, he is known for his extensive collection of vintage guitars and amplifiers.