The Sing-Off 'The Sing-Off' crowns Committed group second-season champion 12/21/2010 The Sing-Off crowned Committed its winning group during Monday night's live NBC finale broadcast of the a cappella singing competition's second season. Read More RELATED NEWS Sara Bareilles to replace Nicole Scherzinger as 'The Sing-Off' judge 'Sing-Off' winners Committed to release debut album on August 30'The Sing-Off' crowns Committed group second-season champion TAGS: The Sing-Off Sara Bareilles Sheryl Crow Neil Diamond The Sing-Off W.
