text is a tough way to do audio — ⇧ SHIFT — ⌃ CONTROL — ⌥ OPTION — ⌘ COMMAND
Assign Track Color…
Set the track color to a color selected from the color palette.
Change track colors in a Logic Pro project — Apple Support
By default, track colors reflect the track type. You can change the color of specific tracks, to use color to help visually organize the Tracks area and identify tracks in a large arrangement. Track colors are visible when you configure track header components to show the track color bars.
Open/Close MIDI Insert 4 Plug-in Window of focused Track
Opens the fourth MIDI Insert for the currently selected (focused) track.
Work in the plug-in window in Logic Pro — Apple Support
You edit plug-in parameters in the plug-in window, which opens automatically when you insert a plug-in.
Assign To Exclusive Group: 6
This is an entirely new subject. I can build my own drum machine. It doesn’t have to play drums.
Logic Pro Drum Machine Designer overview — Apple Support
Drum Machine Designer is not a plug-in, although it can be inserted into instrument channel strips. It is a track-based meta-instrument using a track stack, which combines a master track and a number of subtracks. Each track has a corresponding channel strip.
Use Logic Pro Drum Machine Designer pad controls — Apple Support
Move your pointer over, or click, the icon or pad background of any of the 16 pads shown on each grid page to access pad parameters and to view Kit Piece Tone and Effect Smart Controls. Use the pad controls bar below the grid to access editing options and to navigate between pad pages.
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.
Set Selection End To Previous Transient ←
Shorten the current selection in the audio file to the left.
Select audio with transient markers in Logic Pro — Apple Support
Selection End to Previous Transient: The selection end is shortened to the left, up to the preceding transient marker.
Play from Beginning
Move the playhead to the beginning of the project and start playing. Rather than assigning a command for this I simply press Return (go to beginning) and Space (start playback).
On the X-Touch I can use the transport STOP button. If currently playing pressing STOP stops playback, a second press returns to the beginning.
Control playback in Logic Pro with the transport buttons — Apple Support
You can use the transport buttons in the control bar to control playback, or to set the playhead position. You can click the buttons to activate or deactivate functions, or use the corresponding key commands to speed up your workflow.