Presently, after a track Mute via F5 key, we can't enable both 'Back to Normal' and 'Change by'.
For example, after a Piano track Mute for 8 bars, we enable the piano again but we want - at the same time - to change the volume by -15, because the melody instrument plays very softly along with the piano.

So, it would be fine that, after a Mute, 'Change by' should mean 'Back to Normal' AND 'Change by'.
OR
Add a command 'Back to normal and Change by'.


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