Choral Choir (Unison) - Level 3 - Digital Download SKU: A0.1206256 By Keane. By Richard Hughes, Tim Rice-Oxley, and Tom Chaplin. Arranged by Martin Neill. Pop. Octavo. 4 pages. Martin Neill #804454. Published by Martin Neill (A0.1206256). This key works very well for children's choirs, and adults in unison, as it falls within the comfortable range of all voice types.