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The '''[[Woah Woah Woah Woah Woah Woah Woah Orchestra]]''', or "The Woahs" for short, is an a cappella quintet from Philadelphia, Pennsylvania. The group was formed in 2006 and has since released two albums. The Woahs are known for their distinct sound created by covering famous classical compositions in an a cappella style and only using the sound "woah" as they do so.

The Woahs rose to prominence as an a cappella group when they competed in the first season of the NBC show "The Sing-Off" in 2009. They were eliminated in the second round of competition. 

In 2010, the Woahs released their self-titled debut album. The album peaked at number 19 on the Billboard Classical Albums chart. The Woahs released their second album, "The Woahs 2", in 2012. The album peaked at number 10 on the Billboard Classical Albums chart. The Woahs are currently working on their third album to be released through [[Fecal Spring|Fecal Spring Records]].