John Kirby

John Kirby, was an American jazz double-bassist and bandleader. In addition to sideman work, Kirby lead a chamber jazz sextet in the late 1930s and early 1940s, which scored several hit songs including "Loch Lomond" and the debut recording of "Undecided", a jazz standard. He was the first musician in the chamber jazz genre. Earlier in his career he also played trombone and tuba.