Estradasphere was an American experimental rock band that originated in Santa Cruz, California, during the late 1990s.

Estradasphere were influenced by many different artists from many different subgenres, such as jazz, funk, techno, classical music, pop, heavy metal, New Age, Latin, Balkan, klezmer, Greek and Romani.

[5] They were influenced by artists such as The Beach Boys and Secret Chiefs 3, and have been compared to Mr. Bungle,[6] Frank Zappa and John Zorn.

[8] The band was a self-proclaimed inventor of bizarre genres such as "Bulgarian Surf", "Romanian Gypsy-Metal", and "Spaghetti Eastern"[5] and sounded like "Psychedelic-Sci-fi", "Gypsy-Metal-Jazz" and "Epic-Cinema-Thon", according to its MySpace.

[9] In 1997, members of the group released an avant-garde metal album called Koolaide Moustache in Jonestown under the name Don Salsa.