Arranging : Clip Loops and Groups : Clip Looping

Clip Looping
Pro Tools lets you loop audio clips, MIDI clips, and clip groups. Looping clips is an easy and powerful way to repeat a single clip on a track or clips across tracks for composing and arranging. Looping clips provides more flexibility than the Repeat and Duplicate commands.
Looped clips repeat the source clip as many times as specified in the Clip Looping dialog, or enough to fill the specified Loop Length (such as 30 seconds or until the next clip on the track). The source clip is the original clip selected for looping. Loop iterations are all looped clips following the source clip. In cases where a specific number of repetitions has not been indicated, the last loop iteration is truncated to fill to the end of the selection or specified Loop Length.
Once looped, the looped clip can be edited much like a clip group. For example, selecting and moving a looped clip selects and moves the source clip and all its loop iterations together.
Looped clips (all iterations) display a Loop icon in the lower, right corner or each loop iteration.
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Looping a clip does not loop any automation associated with the source clip. Use the Copy Special and Paste Special Repeat To Fill Selection commands to copy automation for the source loop to all loop iterations (see Automation and Looped Clips).