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A Cappella Pop Group COMMITTED's Single “Do You Hear What I Hear?” Nominated for “Best Arrangement, Instrumental or A Cappella” | 2016 Grammy Awards® | TheUrbanMusicScene.com
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/Pentatonix-a-cappella-music-group-58b59b123df78cdcd8710121.jpg "A Cappella Music, A Definition, History, and Evolution")
A Cappella Music, A Definition, History, and Evolution
