The Yamaha PSR-S900 offers great sound quality, ease-of-use, and powerful features in a sleek and portable design. This 61-key workstation provides hundreds of Super Articulation voices for ultra-realistic instrument sounds. The accompaniment styles are powered by MegaVoice, which not only provides realistic sounds, but authentic performance styles as well. A special organ flute function allows you to create original organ voices by varying flute footages and adding percussive sounds.