The Legendary YAMAHA SY85 – Huge Sound Library over 30,000 original factory and new created voices (Banks Patches Single Voices) SySex format and bonuses. This set include huge sound library and editors. You can load save edit single voices patches banks effects in your computer and transfer to your synth. It’s very easy to installing and work. You need a computer, synth, midi cable (in out) or USB midi interface to connect your synth to the computer.