Question: My keyboard only has USB MIDI out - no 5-pin MIDI out. Can I still use this for MIDI harmonies/voices/samplingAnswer: No, and yes. You can't connect them directly - you need to use a computer to translate the MIDI on the way. Your MIDI keyboard can be connected via USB cable to a laptop running music software that features a MIDI soft THRU capability. You would then connect Perform to the laptop via a second USB cable and configure your DAW to take incoming MIDI from the USB MIDI keyboard and pass it on to the Performs USB port. See your respective software manual for details on how to set up your particular system.