Open/Close MIDI Insert 14 Plug-in Window of focused Track

Opens (closes) the 14th MIDI Insert plug-in. That’s an awful lot of MIDI inserts on a channel.

Use MIDI plug-ins in Logic Pro — Apple Support

MIDI plug-ins are inserted in software instrument channel strips and process or generate MIDI data—played from a MIDI region or a MIDI keyboard—in real time. Included are the Arpeggiator, Chord Trigger, and Modulator, along with plug-ins for transposition, randomization and other processing. Scripter enables you to create your own MIDI processing and generation scripts.

MIDI plug-ins are connected in series before the audio path of a software instrument channel strip.

MIDI plug-ins have a MIDI input, the MIDI processor, and a MIDI output. The output signals sent from MIDI plug-ins are standard MIDI events such as MIDI note or controller messages.

  Assign To Exclusive Group: 2

Assigns the currently selected pad to exclusive group 2. There are 8 exclusive groups.

The description of exclusive groups using the hi-hat as an example explains the concept succinctly and clearly.

Use Logic Pro Drum Machine Designer pad controls — Apple Support

Exclusive Group: Choose a group for the pad. You can assign multiple pads to the same group. As soon as one drum sound in the group is triggered, all other sounds in that same group are stopped. For example, you could group three pads with open, semi-closed, and closed hi-hat sounds. Only one of these sounds can be played at a time, mirroring the behavior of real hi-hats.

  Event Channel -1

Decrement the channel number of the selected events.

This is a quick way of changing the (potential) instrument for a given MIDI event. Valuable when working with multi-channel software instruments or external devices.

Assign notes to voices and staffs in Logic Pro — Apple Support

In cases where the division between voices needs to be more flexible, you can separate voices by assigning each voice to a different MIDI channel. This allows voices to cross while still being displayed independently. Notes not assigned to any MIDI channel are not displayed, allowing you to “hide” notes from display (such as improvised parts or trill notes, for example). This does not affect playback, but only the display of notes in the score (the playback channel is determined by the setting in the Track inspector).

  Attach Symbol: Left Hand

Decidedly frustrating. I cannot find anything that indicates which symbol will be attached to a score when using this command. There is no description of what all of the symbols in the part boxes mean. Executing this command with a note selected in a score shows no visible change.

I have watched tutorial videos, read manuals. No help. Can’t find them.

  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