Adams Academy Series 3.5 Octave XylophoneThe Adams Academy series xylophone is designed to bring accessibility and quality to the youngest percussionists. The 3. 5 octave Academy xylophone is perfect for school or home use. The Adams Academy series xylophone features Pau Rosa bars for a fantastic bright tone, as well as the patent pending 'Integrated Resonator Rail System' that provides not only a quality bar suspension and box resonator format, but also the rigid aluminum beam structure