Question

The ability to create a "Groove Clip" (as called in Sonar but basically an Acidized audio clip where you can just drag the end out to lengthen it rather than copy/paste over and over to extend a phrase/pattern

Answer 1

Voted up but it'd be nice if someone merged all the duplicates of this request. There are 135 votes spread out between 4 requests. Go vote for the other ones if you can. This one has the most votes:

Loop Midi and Audio Clips by Dragging the Edge

Some less popular but also active duplicate FRs (man this is a popular request):

Individual Looping Different than Duplicate

Vote for Clip Event Loop Function

The more votes it can accumulate the better :)