Object move up ⌥↑ — Logic Pro keyboard command of the day (KCotD)

  Object move up    ⌥↑

Position an object in the MIDI Environment using fine controls. Position changes by one pixel (it used to be a much bigger and visible thing). Use the option-key and the arrow keys.

Bygone days for most users of Logic Pro.

Adjust position, size of objects in the Logic Pro Environment — Apple Support

In Logic Pro, use the following key commands to move selected objects one pixel in the relevant direction, even when the grid is turned on:

  • Object move left
  • Object move right
  • Object move up
  • Object move down