Frank London is a trumpet player who appeared on Flood, Apollo 18, John Henry (which he also did some arranging on), Why Does The Sun Shine?, Severe Tire Damage, Long Tall Weekend, and Mono Puff's It's Fun To Steal. London appears on three tracks on the compilation Festival Of Light 2, on which TMBG contributed their own song Feast Of Lights.
Frank is a very versatile horn player. He plays with the klezmer band "The Klezmatics" and has several solo projects. In 2007, Frank released A Night In The Old Marketplace which includes John Linnell on vocals for the song "Tavern In Pinsk".