Transpose and Velocity on the Info Line
You can edit the transposition and the velocity for selected MIDI parts on the info line. This only affects the notes in playback.
Use the Transpose field to transpose the selected parts in semitone steps.
The value is added to the transposition set for the whole track.
Use the Velocity field to offset the velocity for the selected parts.
The value is added to the velocities of the notes in the parts.