Ramón Sender Barayón (born October 29, 1934) is a composer, visual artist and writer. He was the co-founder with Morton Subotnick of the San Francisco Tape Music Center in 1962. He is the son of Spanish writer Ramón J. Sender.
wikipedia.org/wiki/Ramon_Sender_(composer)

Luciano Chessa is a composer, conductor, audiovisual and performance artist, and music historian whose work includes assemblage, graphic scoring, painting, opera, sculpture and several other media.
lucianochessa.com

Wobbly (AKA Jon Leidecker) is an American musician/composer of experimental electronic music who has been producing music since 1987 solo and in collaborations with artists such as Sagen, Matmos, and Negativland.
detritus.net/wobbly/

At the SFEMF 25th Anniversary Gala, Luciano Chessa and Wobbly (AKA Jon Leidecker) will perform a live realization of Sender’s Desert Ambulance .