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.

That change happened about 1991. It was not possible to transfer the Expanded Instrument System to the computer until then, when 16-bit recording became available.

In my Deep Listening class at RPI, I always do an hour of energy exercises to start with. Then we do a listening meditation after that, after the body has been loosened up and warmed up and is ready. We do the listening. After that, there's the journaling of the experience, which they do each time throughout the semester to the point that I have them write a final paper on what they've experienced.

I became interested in the delay, having sounds recorded and played back and then come back. I did many different configurations of sending signals from one track back to another track, or to the same track, or crisscrossing them and so forth. I worked on masking the delays so when I played into the machine, I would make long tones and collect sounds in such a way that you didn't hear the delay, although sometimes you did.

First of all I had to teach myself how to use the studio because there wasn't any classes in electronic music. So I'd stay there all night and leave in the morning, observe the sun rise and have a lot of different kinds of sounds in my mind. But it was a quest, it was a search. It was research, it was learning.

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.

In the beginning we were making tape music, meaning, we were making music on tape.