Wendy Carlos (born Walter Carlos, November 14, 1939) is an American composer and electronic musician. Carlos is one of the first famous performers of electronic music using synthesizers. Work Switched-On Bach (1968) was perhaps the first album to demonstrate the use of synthesizers as a genuine musical instrument. As an early user of Robert Moog's first commercially available synthesizer, Carlos helped pioneer the technology, which was significantly more difficult to use than it is today. Multitrack recording techniques played a critical role in the time-consuming process of creating this album. Switched-On Bach became the first classical album to sell 500,000 copies, and (eventually) to go platinum. A sequel of additional synthesized baroque music, The Well-Tempered Synthesizer followed in 1969. (Its title is a play on Bach's "Well-Tempered Clavier".) While it sold well, it did not achieve