Richard Lowe Teitelbaum (1939-2020) was an American composer and performer known for his pioneering work in electronic music and multimedia art. He was a significant figure in the avant-garde music scene, particularly recognized for integrating technology with live performance. Teitelbaum's genre-spanning work included experimental, contemporary classical, and improvisational music. Notable works include "The Lost Day," which showcases his innovative use of live electronics and computer-generated sound, and various collaborative projects with artists such as John Cage and Karlheinz Stockhausen. He was also a member of the influential group Musica Elettronica Viva (MEV), which was pivotal in the development of live electronic improvisation. Teitelbaum's impact on music is evident in his contributions to the intersection of performance and technology, influencing a generation of musicians and composers in the realms of electronic and experimental music. His explorations in sound and technology have left a lasting legacy, encouraging artists to push the boundaries of traditional music forms and embrace new sonic possibilities.