Jimmy McGriff was a hard-bop (bebop) and soul-jazz organist and bandleader known for his distinctive playing of the Hammond B-3 organ. Richard "Groove" Holmes was an American jazz organist who performed in the hard-bop and soul-jazz genres. One of the all-time giants of the Hammond B-3, Jimmy McGriff sometimes gets lost amid all the great soul-jazz organists from his hometown of Philadelphia. He was almost certainly the bluesiest of the major soul-jazz pioneers Read more on Last.fm