When playing a live set, you want all of the songs saved on your Motif to have the same relative volume. The easiest way to accomplish this is by assigning a compressor or limiter as the Motif's MASTER EFFECT. That way you can be conservative with your volume levels when recording (to prevent clipping), yet you can easily use the controls on this effect to make all of the songs play back at the same relative level during a performance (or in the studio, of course).