Glenn Branca was an American composer and guitarist known for his innovative approach to music, particularly in the realm of avant-garde and experimental rock. Born on October 6, 1948, in Harrisburg, Pennsylvania, he gained recognition for his unique use of guitar orchestras, which often featured multiple guitarists playing in complex, layered harmonies. Branca's work often explored the relationship between sound and structure, influencing a wide range of musicians and genres. He collaborated with various artists and bands, including The Sonic Youth, and his compositions have been performed in prestigious venues worldwide. Branca passed away on May 13, 2023.