The Exchange is an a cappella band from the United States founded in 2012 by Rochester, NY native Aaron Sperber. The group consists of Aaron Sperber, Alfredo Austin, Christopher Diaz, Jamal Moore, and Richard Steighner. The band was a finalist on Season 5 of NBC's musical reality television show "The Sing-Off" and also performed as the Backstreet Boys' opening act during the 2014 “In a World Like This” European tour.
The Exchange during a 2014 photo shoot in Freiburg, Germany. From left to right: Christopher Diaz, Alfredo Austin, Richard Steighner, Jamal Moore, and Aaron Sperber.
The Sing-Off was an American television singing competition featuring a cappella groups. It debuted on NBC on December 14, 2009, and was produced by Sony Pictures Television and Outlaw Productions, with Mark Burnett's One Three Media being added for the fourth season. A fifth season aired as a holiday special in December 2014.
The Sing-Off
Jewel was the new judge for the fourth season, replacing Sara Bareilles
Patrick Stump was the new judge for the fifth season, replacing Ben Folds