Composer/performer/media artist with The McLean Mix for 35 years, full time since 1983. Developed several MAX/MSP programs that are used in live performance and installations. The Sequencer Playpen is a powerful MIDI control sequencer with many features not seen before. It's available free to qualified users. The above web site has detailed info with many graphics, along with 3 You Tube videos showing each feature and showing a live performance of JUBILEE using the software.