YAMAHA PSR E413 The Yamaha PSR-E413 is a 61-key unit with innovative features for learning to play, like the Yamaha Portable Grand and Yamaha Education Suite, and features for when it's time to play, including sound control knobs for real time control over effects, filters, EQ, tempo and 100 different Arpeggiator patterns. The PSR-E413 also includes USB connectivity, allowing for the transfer of songs and styles between the instrument and a computer. This can be used for educational purposes or for musicians to play along with pieces that are downloaded into the unit. For aspiring music artists, recording original pieces is quick and simple with the six-track/five-song capacity onboard sequencer. And, with Yamaha's Performance Assistant technology, anyone can play a song - even novices. When the keys are struck in time with the music, the notes are corrected to match chords of the song being played. No matter what keys are hit on the keyboard, the correct notes will play If you're buying a keyboard having... Minimize