Sonor 27824301&nbsp;AXP 11&nbsp;Int Alto Xylophone Tonal range: C1 to A2 Number of bars: 16 Tones: C1, D1, E1, F1, F#1, G1, A1, Bb1, B1, C2, D2, E2, F2, F#2, G2, A2 Scale: C major Sound bar material: FSC certified pao rosa