The Sonor Global Beat Xylophones are an outstanding quality xylophone that will meet and exceed your classroom needs. The Global Beat Xylophone features South American Brazil Sucupira Hardwood bars tuned to A440 designed for a deep, rich tone plus note name stamped in the middle of each bar and inside of each resonator chamber for easy pitch recognition and easy, correct bar placement on the instrument. All-glued resonator box construction features mallet storage plus flexible rubber pin construction for easy bar placement and removal. Each diatonic Global Beat Xylophone includes two F# and one Bb bar plus one pair of mallets. The Sonor Global Beat Xylophones are available in diatonic units for soprano (SX-GB) alto (AX-GB) and bass (GBX-GB).