Home Free is one of the best a cappella groups out there. They rose to fame after winning the fourth season of NBC’s The Sing-Off. Their a cappella covers of country songs are all really good, but the one in the following video is simply stunning. This video shows them covering the legendary Johnny Cash’s hit song, “Ring Of Fire”.

Home Free brought a very special guest for the cover as well. It included Pentatonix’s Avi Kaplan. Avi’s heavy bass notes really complimented the group’s own voices. “Ring Of Fire” by Johnny Cash has been listed as the fourth best song in CMT’s 100 Greatest Songs in country music. They might not have any instruments on them, but these guys sure did justice to the hit!

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