There is great interest in computer music in learning how to provide musicians, both composers and performers, with better interfaces to computing capabilities. However, since musical success is an aesthetic and cannot be determined from quantitative measurements, the needs of musicians are significantly different from the needs of many other computer users. Therefore, a distinct design methodology must exist for creating musical interfaces. This paper describes work on the design processes centered on the development of a performance environment called MusiCloth.

We describe an interactive system that uses gesture recognition to enhance the yoga experience through visual, auditory and olfactory feedback. Ancient theories associated with Kundalini yoga provide the theoretical basis for this research. The sensory feedback provided by the Therapeutic Interactive Yoga System promotes an immersive, multisensory experience that corresponds to the system of sensory stimuli outlined by chakra theory. As a user performs yoga, the system monitors the user's body and responds with colour, sound and scent appropriate to the user's yoga postures. Testing reveals that the Yoga System succeeds in producing an "enjoyable" and "relaxing" environment --- one that seems to enhance the personal, meditative and therapeutic experience of yoga.