Roland R-MIX Review: Roland R-MIX is an innovative new graphical mixing environment, which lets you visualise your mix. Roland’s R-MIX software provides you with a revolutionary new way of interacting with your recordings. Combining the company’s V-Remastering and VariPhrase technologies, R-MIX enables you to visualise the components of a stereo mix as colour coded clouds of energy and harmonic material as the song plays. Each element can then be edited within the stereo mix. You can alter the pan and level of individual instruments, add effects to individual elements, even independently adjust the pitch and playback speed all from a single stereo audio file.