CY Headjoint Featuring a double flare taper and a unique embouchure hole undercut design for excellent response and a warm rich tone, the CY headjoint helps beginners quickly learn to produce a beautiful sound. More advanced players will appreciate its even, quick response in all registers. Keys All key shapes and placement have been ergonomically designed for a comfortable, natural-feeling performance. The keys are hand-assembled and adjusted for perfect balance and ‘touch.’ Pointed Key Arms A#, F# and other non-fingered keys feature pointed key arms. This beautiful key design is inspired by traditional European style. Adjustment Screws Yamaha’s unique screw resistance inserts allow smooth adjustments while preventing gradual loosing of the screws. For easier access, the screw positioning has been changed.