Cool... So this means that I can use the 550 as a master controller and use the 550's keybed to input note data into the QY-100 instead of having to use the QY's small keys? I think I read somewhere that you could use a midi keyboard to record parts into the QY...

Squeak
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GEAR: Yamaha MOXF-6, Casio MZX-500, Roland Juno-Di, M-Audio Venom, Roland RS-70, Yamaha PSR S700, M-Audio Axiom Pro-61 (Midi Controller). SOFTWARE: Mixcraft-7, PowerTracks Pro Audio 2013, Beat Thang Virtual, Dimension Le.