A trailblazing force in psycho-acoustic music, Alvin Lucier was an avant-garde composer and performer whose work related to acoustic phenomena and the science of sound. His recordings, performances, and installations examine the physical properties of sound itself. Lucier's innovations included the use of brain waves to generate music, the notation of performers' physical gestures, and the role of room acoustics in the compositional process. He was best known for his influential 1969 composition I Am Sitting in a Room. Also notable is Music on a Long Thin Wire (1977). In addition, Lucier composed works for orchestra with electronics, including Crossings (1984), and purely orchestral works (featured on the 2013 release Orchestra Works), choral compositions, and pieces for solo instruments, such as Ricochet Lady.