The House Jacks of San Francisco are the original "rock band without instruments." Using nothing more than their five voices (and mouths), they deliver everything from blistering funk to screaming rock to heart-melting ballads for their ever-growing legions of fans. These pioneering musicians have performed thousands of shows and have shared the stage with some of the biggest names in music. Their radio spots for Rick Dees Top 40 have been heard by 50 million listeners on 330 U.