The House Jacks is a professional a cappella quintet from San Francisco, founded in 1991 by Deke Sharon. The House Jacks describe themselves as a "rock band without instruments", their live shows typically include not only singing but also vocally imitating instruments such as trumpets, guitars, harmonicas and strings as well as taking audience-requests for songs and rendering them in musical styles unlike the original versions. The group performed at the 53rd Monterey Jazz Festival on September 17, 2010. and have performed on stages from Carnegie Hall to the Gewandhaus.