Franco Petracchi

Franco Petracchi (born September, 1937) is an Italian double bass soloist and teacher. He is a native of Pistoia, Tuscany, and the author of ''Simplified Higher Technique''. In his method, he introduces some conventions to playing in the thumb-position. He uses names chromatic, semi-chromatic and diatonic for different hand positions. He plays a Gaetano Rossi bass, which is unusually large for a soloist. Provided by Wikipedia