Now this a very cool way to edit a synth... there are four integrated iPad apps that work together to do everything from adding another dimension to live performance, to programming sounds in the studio.
Connecting Yamaha Motif ES/XS/XF USB to iPad :: Playing Custom Samples on iPad GarageBand Tube. Duration : 12.33 Mins.
Connecting your Yamaha Motif ES/XS/XF to iPad via USB MIDI without installing drivers. Also, playing custom samples and sounds on your iPad's GarageBand.