MC-707: Can I play the sound engine of the MC-707 from an external MIDI keyboard? November 24, 2021 06:53 Updated Follow Yes.Match the MIDI channel of your external MIDI keyboard with the MIDI channel of the track that you want to play. Related articles MC-707: How can I send the audio of each track via USB audio to the computer? MC-707: Can I make a setting so that patterns and kits are automatically saved when I turn off the power? MC-707: How to update system program firmware RC-505mkII: Differences between the RC-505mkII and RC-505 SP-404MK2: Can I use my computer to open the backup data and play back the patterns?