The EDLOS (l-r): Ed Cohn, Craig Knudsen, Eric Morris, Larry Venza

The EDLOS are a contemporary a cappella quartet based in the San Francisco Bay Area. The name is said to be an acronym for "Excessive Decibel Levels from Outer Space." Formed in 1988, the group's original members were Ed Cohn (bass), Bill Davis (tenor), Eric Morris (tenor) and Larry Venza (baritone). Tenor Craig Knudsen replaced Davis in 1993.

With their operatic training, the EDLOS are known for their powerful voices and their broad comic approach to live performance. They are most renowned for their shows' multiple costume changes and sight gags, and for their satirical renditions of classic 1960s pop hits such as "Hurdy Gurdy Man" and "The Lion Sleeps Tonight."

The EDLOS have won numerous industry awards, including the 1989 Harmony Sweepstakes championship. They have made featured appearances for NPR and PBS, and have accompanied tours by Ray Charles and the rock group Chicago.

EDLOS recordings:

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