John Tejada (born April 21, 1974 in Vienna, Austria) is an electronic music artist, music producer, DJ, and record label owner. His Austrian father was an orchestra composer/conductor who met his mother, a soprano singer of Mexican-American descent while she was studying in Vienna.

He has recorded under diverse monikers for different labels. Names he has recorded under include Mr. Hazeltine, Lucid Dream, and Autodidact. He also provided a remix to Such Great Heights, from The Postal Service.

Arian Leviste (born January 19, 1970 in Burbank, California) is an electronic music artist, music producer, and DJ. He grew up in Canoga Park, California and attended California State University, Northridge where he received his bachelor's degree in Finance and Real Estate. He took piano lessons since the age of 7, and started deejaying at age 14. In 1987, he started a DJ equipment business with a couple of friends in Reseda, California.

In 1991, Leviste met John Tejada at a mutual friend's house to collaborate on music. Since then, they have released numerous singles, EPs, and full-length albums on labels such as 7th City, Playhouse Records and Tejada's own label, Palette Recordings.

In October 2007, Leviste and John Tejada embarked on their first tour together throughout Europe. The duo performed a live hardware set at the following venues: Mission (Leeds, UK), Click (Hamburg, Germany), Watergate (Berlin, Germany), Propaganda (Moscow, Russia), Maffia (Reggio Emilia, Italy), Batofar (Paris, France), and Compression @ King King (Los Angeles, California, USA).

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