Electronic Music - featuring Cage's Fontana Mix - signed LP record.

Original 1967 LP of electronic music by groundbreaking composers John Cage, Luciano Berio, and Ilhan Mimaroglu, featuring a realisation of Cage's Fontana Mix for magnetic tape, Berio's Visage for magnetic tape, based on the voice of Cathy Berberian and other sounds, and Mimaroglu's Agony. Signed on the cover in silver Sharpie by Cage.

Composed in 1958 and premiered in 1959, Fontana Mix was one of several works in which Cage experimented with the relatively new technology of magnetic tape, as well as with compositional methods of "indeterminacy." Using a similar system of notation to his Concert for Piano and Orchestra, the work requires the performer to superimpose a set of transparencies containing dots and grids to create a score, which can then be performed with any instrument or combination of instruments. This innovation was one of Cage's many important contributions to avant-garde and electronic music, including blurring the distinctions between music, found sounds, and silence; using altered instruments; and introducing chance into his compositions (aleatoric music.) Although not the first to use tape in the creation of original musical works, Cage's compositions were a profound influence on other avant-garde composers, notably Luciano Berio.