Sabian 22021XC/1 AAX Concert Band Single Cymbal - 20"New AAX Concert Band pairs offer perfect highs, a touch more dark, more complexity in tone and a whole new look. Medium weight Concert Band pairings speak quickly and are easy to play. Additional hammering with a larger, rounder peen than was traditionally used for AAX also provides a wider range of tone, from dark to bright and increased complexity. SABIAN once again pushes the boundaries of cymbal making with the transformation of its ground