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 primarily performs original material (unlike most contemporary a cappella groups who focus on cover songs) and is considered the first professional a cappella group to have a dedicated vocal percussionist.The group routinely tours the United States, Europe and Asia, has recorded numerous jingles and has garnered numerous recording and community awards (see below).