MusE -- Short Reference -- Pianoroll Editor -- Editing

Editing Functions  
Select Event
  • Left Mouse Button, click on event
Select multiple Event
  • Shift + Left Mouse Button, click on event
  • Lasso function
Deselect all Events
  • Left Mouse Button, click on canvas
Move Event
  • Drag with left Mouse Button
Create New Event
  • Select Pencil tool; paint new event with left mouse button pressed
Delete Event
  • Select Rubber Tool; click with left mouse button
Change Event
  • Select Event; Edit Event Status Toolbar
Change Event Length
  • Select Rubber Tool; click on event and draw new len
    Control+Click ensures that you will not accidentally create a new event