Logic Pro X keyboard command of the day. #LogicProX @StudioIntern1

  Stem End: Move Up    ⌥⌘↑

Make the stem end longer (if it is pointing up) or shorter (if it is pointing down). Scoring music is such a fiddly thing. You can create some odd looking scores in the Score Editor.

Change stem direction, length, and beaming — Logic Pro X

By default, a note’s stem direction and length depend on the settings in the Staff Style window. You can change these attributes to improve readability; for example, to group notes meant to be played as a voice in a polyphonic passage.

⇧ SHIFT – ⌃ CONTROL – ⌥ OPTION – ⌘ COMMAND