Soprano/Alto Metallophones KB/SAM Alto resonator bars c1 - b1 KB/SAM Alto resonator bar c2 - c3 KBN Resonator bells c1 - b1 KBN Resonator bells c2 - b2 KBN Resonator bells c3 - a3 KBN Resonator bell set 1d, diatonic, c2 - a3 KBN Resonator bell set 3d, diatonic, c1 - c3 KBN Resonator bell set 1c, chromatic, c2 - a3 KBN Resonator bell set 3c, chromatic, c1 - c3