Create and edit track stacks in Logic Pro for Mac

When Enable Complete Features is selected in Logic Pro > Settings > Advanced, you can create and edit track stacks. If Enable Complete Features is not selected, you can play back existing track stacks in a project, but you can’t create new ones or edit existing ones.

You create a track stack by selecting (adjacent or nonadjacent) tracks in the Tracks area. Non-adjacent tracks move so that all tracks are grouped together in the track stack. Both types of track stacks can contain any combination of track types as subtracks. You can also nest track stacks by adding a track stack of either type (folder stack or summing stack) as a subtrack of a track stack, which can also be of either type).

You can hide the subtracks of a track stack to save space in the Tracks area, or show them when you want to record or edit. You can add tracks to a track stack or remove them, and reorder them (reordering tracks doesn’t affect the sound).

After creating the summing stack, you can route individual subtracks to a different destination. If you do so, however, the rerouted subtracks are no longer controlled by the main track’s channel strip.

Create a track stack

In Logic Pro, select the tracks you want to include in the track stack. The selected tracks can be adjacent or nonadjacent.
Do one of the following:
- Choose Track > Create Track Stack.
- Control-click the header of one of the selected tracks, then choose Create Track Stack from the shortcut menu.
In the track stack dialog, do one of the following:
- To create a folder stack: Select Folder stack, then click OK.
- To create a summing stack: Select Summing stack, then click OK.

Show or hide the subtracks for a track stack

In Logic Pro, click the disclosure arrow to the left of the track icon in the main track.
To show or hide the subtracks for all track stacks in a project, Option-click the disclosure arrow for any track stack in the project.

Add a track to a track stack

In Logic Pro, drag the header of the track you want to add between two of the subtracks in the track stack.

Note: When you add a track to a summing stack, its routing changes to the aux assigned to the main track.

Reorder subtracks

In Logic Pro, drag a subtrack by its header up or down inside the track stack.

Remove a subtrack from a track stack

In Logic Pro, drag the subtrack outside of the track stack (below the last subtrack, or above the main track).

When you remove a subtrack from a summing stack, the track’s output routing changes from the aux used by the main track to the main outputs.

Nest a track stack inside another track stack

Select a track and choose Track > Create Track Stack to create a track stack with the selected track as a subtrack.
You can choose either Folder Stack or Summing Stack in the Create Track Stack dialog.
Select the new track stack and choose Track > Create Track Stack to create a track stack enclosing the track stack.

You can also drag a track stack between subtracks of an existing track stack to add it as a subtrack of the enclosing track stack.

Flatten a track stack

You can flatten a track stack, in which case the subtracks again become normal tracks.

When you flatten a folder stack, the main track is deleted if its volume fader is set at 0 dB (unity gain) and it contains no automation data.
When you flatten a summing stack, the audio subgrouping is retained, unless there is no audio processing on the main track aux (no plug-ins, volume fader set at 0 dB, Pan/Balance set to neutral, and no automation data). In this case, all subtracks (or their audio subgroups) are routed to the Stereo (or Surround) Main output, and the main track Aux is deleted.

In Logic Pro, do one of the following:

Select either the main track or a subtrack, then choose Track > Flatten Stack.
Control-click the track header of the main track or a subtrack, then choose Flatten Track Stack from the shortcut menu.

Download the guides:

Logic Pro User Guide: PDF

Logic Pro Instruments: PDF

Logic Pro Effects: PDF

Control Surfaces Support Guide: PDF

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Logic Pro User Guide for Mac