5:06 Pentatonix - Hallelujah (Official Video) 4:05 Pentatonix - The Sound of Silence (Official Video) 4:56 Pentatonix - Daft Punk 4:05 Pentatonix - Mary, Did You Know? (Official Video) 4:14 [Official Video] Little Drummer Boy - Pentatonix 4:04 Pentatonix - Shallow (Official Video) 5:44 Pentatonix - 90s Dance Medley (Official Video) 4:41 Pentatonix - Amazing Grace (My Chains Are Gone) (Official Video) 2:21 Pentatonix & Dolly Parton - Jolene