I must not understand the concept of MC music. You wouldnt put QS8's as your front r/l speaker. Doesn't the MC music output full range sound to all 4 speakers minus the sub ? How about "Quad" sound or on my Yamaha receiver there is 7 channel stereo. This 7 channel mode doesn't sound good at all from the QS8's. I think that the definition of these modes is a little blurry to me.I kind of considered them all to be multi channel music modes even though I know the 7 channel stereo is just the same signal split. I was just thinking it would sound nice to have front r/l style speakers in the rear to for music? Is that crazy?