Talk about throwback! In The Voice Season 11 October 24 Knockout Round, Miley Cyrus sang along as Sundance Head performed her 2009 hit, “The Climb.” The 3-second shot of nostalgic Miley singing from her rotating chair totally pulled heartstrings. The Voice 2016: Adam Levine And Coach Blake Shelton Give Their Take After Sundance Head’s beautiful acoustic version of the song, the judges …