John Tejada (born 21 April 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.
Tejada has released several recordings with Arian Leviste over the span of 15 years. He is also a frequent collaborator with Divine Styler. He teamed up with Takeshi Nishimoto (a pupil of Pepe Romero) to form I'm Not A Gun. I'm Not A Gun has released 5 full length albums since 2003.
In 2006, he performed at several venues throughout Europe with Justin Maxwell, his newest associate. In October 2007, Tejada and Arian Leviste 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).