Logic Pro X - Busses vs. VCAs vs. Groups vs Track Stacks | What's the Difference?
Logic Pro X offers a whole plethora of channel grouping options for mixing. There’s Busses , (aka Bus Channels or Submixes ), VCAs , Track Groups , and Track Stacks . VCA channels and Track Stacks are inherently new to Logic v10; however, routing multiple tracks to Auxiliary Channels via Buss