The Signature Series mouthpieces are exactly the same as those used by the artists whose name appears on them and they embody the wisdom and expertise of these musicians in their design. Each of these models is produced on a precision computer-controlled lathe, guaranteeing that each one is exactly the same as the one used by its namesake. The Roger Bobo Solo model features a clear focused tone that sings and projects, and is especially suitable for solo performances and for use with F and Eb tu