I've been designing interfaces to make/perform polysensory content. This involves real-time control of 360 degrees of visual, auditory, olfactory (smell) and haptic (touch) technologies. It often includes real-time feedback of biorhythms from one or more people.
The interfaces have evolved considerably over these years. There are pros/cons of various approaches based on the goals. Here's a glimpse into some of the interfaces:
