Home Free is an American a cappella group of five vocalists: Austin Brown (lead tenor), Rob Lundquist (tenor), Adam Chance (baritone), Tim Foust (bass), and Adam Rupp (percussion). They are structured as a traditional barbershop quartet with the addition of a percussionist. Starting as a show group, they toured around 200 shows a year across the United States. The group competed in and won the fourth season of The Sing-Off on NBC in 2013; singing an arrangement of Hunter Hayes' "I Want Crazy...