The House Jacks are a pioneering a cappella rock band featured in the audio clips of NBC's "The Sing Off" and ESPN's Monday Night Football, watched by tens of millions of Americans. The band has been interviewed in top media outlets including ABC, NBC, CBS, CNN, and Fox; they have performed with the likes of Ray Charles, James Brown, LL Cool J, The Neville Brothers, and Cosby, Stills, and Nash, at venues including Carnegie Hall, The House of Blues, Fenway Stadium, The World Expo, and Candlestick Park; and they have performed and/or recorded commercials for celebrities and corporate clients like President Bill Clinton, Aaron Spelling, AT&T, Coca Cola, and Verizon Wireless.