Those people who don't have any voluntary control, or hands, can work with the physical movement that they can do - whatever voluntary movement they have, even the slightest .

It's going to take about a year or two for the transfer to be completed. We have a certification program so professionals can teach deep listening.

In the '60s my friends were interested and we were hearing electronic music coming in on community radio from Europe, so that's where it started. And I had a tape recorder and started making things with it.

The base skill is listening: how I'm listening to the material, how I'm listening to the space. With electronic sound, it's a similar situation of how to produce it and place it so that it works in a space. The first consideration is adopting the space and having work that resonates in the space.

Deep listening is experiencing heightened awareness or expanded awareness of sound and of silence, of quiet, and of sounding - making sounds.

When we had the San Francisco Tape Music Center, we had a couple of Ampex tape machines there, and I could string tape from one machine, past the heads, and over to the next machine to the supply-reel amp, and have another delay there.

That was at the Michigan Womyn's Music Festival in about 1989. There were 6,000 women there, and they were out in a meadow, and I offered the tuning meditation and they did it.