Editing : Editing Basics : Editing Across Multiple Tracks

Editing Across Multiple Tracks
When working with data from multiple tracks, there are some important points to remember. For example, if any selected tracks are set to their master view (see Master Views for Tracks), edits affect not only audio and MIDI for the selected tracks, but all automation and controller data as well.
If all selected tracks are displayed as automation data, edits only affect the type of automation data displayed in each track. Furthermore, if track 1 displays Pan automation, track 2 displays Volume automation, and track 3 displays Mute automation, the Cut command cuts only pan data from track 1, volume data from track 2, and mute data from track 3.
To copy all types of automation on all selected tracks when copying only automation or controller data:
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Choose Edit > Copy Special > All Automation.
To paste to multiple tracks:
1 Do one of the following:
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Place the insertion point in each of the destination tracks by Shift-clicking in them.
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2 Choose Edit > Paste.
When you paste multiple types of data, whatever data has been copied is pasted into the correct type of playlist. Automation data is pasted into the corresponding automation playlist. Audio or MIDI data is pasted into the audio or MIDI playlist. You do not need to set target tracks to the specific type of data being pasted for the paste to work correctly.
If all destination tracks in a multitrack paste are displayed as automation, the paste replaces any previous data on the target track without shuffling—regardless of whether Shuffle Clips is enabled.