New York City 'bone man Jimmy O'Connell likes to call his group a Sixtet. The transplanted Detroiter blows big on his impressive-as-hell 'Arrhythmia' debut (Outside In Music), where he achieves a stunning synthesis of swing, groove, post-bop, fusion, balladry and prog-jazz. The eight tracks keep surprising with their dexterity, chops and personality-plus.