Gnarls Barkley was an American soul duo, composed of singer-songwriter CeeLo Green and producer Danger Mouse. They released their debut studio album, St. Elsewhere, in 2006. It contained their hit single "Crazy", which peaked at number two on the US Hot 100 and topped the UK Singles Chart. It was nominated at the 2007 Grammy Awards for Record of the Year, and was platinum certified for shipping over 1,000,000 records. St. Elsewhere also received a nomination for Album of the... [more on Wikipedia]