V-Combo VR-09: Transposing the Key (Transpose) - VIDEO April 07, 2023 05:39 Updated Follow In this video we wanted to show how easy the VR-09 is to program. Related articles [VIDEO] V-Combo VR-09 - How to Listen to Demo Songs [VIDEO] V-Combo VR-09 - Adjusting the Brightness of the Display MIDI Channel Implementation