Sounds like it suits your needs completely Do you input all your tracks from the Cakewalk interface?
I have the S750 and I have to input my vocals through my Digitech processor and into the AUDIO INPUT. To do what you are doing with your tracks. I could input my iPad into the Bose Compact or I could tore .wav files on A thumb drive. Never really experimented much but You've made me realize that I could record myself singing back up, eg DUM DUM DUM DUM DEE DOO WAH for "Only The Lonely". Thanks for the inspiration. I'll have to experiment.
God Bless,
Don
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God Bless,
Don