Griego NY Large Bore Trombone MouthpieceGriego Mouthpieces designs and manufactures a complete line of authentic, inspired, performance equipment for orchestral, commercial and jazz musicians. Griego is a family owned company committed to designing and producing the best equipment imaginable. Chart of sizes to help you find the right mouthpiece Bass Trombone Bass Model . 5 Orchestral players who play a 60, 1, or larger mouthpieces will love the feel of the Griego . 5. Most bass trombone