Q: C2 midi note will not sound or record when using Logic X plug ins or Native Instrument plug ins. Same problemd whether using M-Audio 88es or Korg SV-1 as midi controller.

In Logic Pro X midi note C2 will not sound or record when using either Logic plug ins or Native Instrument plug ins; problem is the same using M-audio 88es midi controller or Korg SV-1 as midi controller. Other notes will sound. Only C2 is absent.