4:37 [Official Video] Save the World/Don't You Worry Child - Pentatonix (Swedish House Mafia Cover) 3:45 Save The World / Don't You Worry - Pentatonix (Audio) 5:10 Quincy Jones Presents - Pentatonix \"Save the World/Don't You Worry Child\" (LIVE) 4:56 Pentatonix - Daft Punk (Official Video) 4:41 Pentatonix - Amazing Grace (My Chains Are Gone) (Official Video) 4:01 Pentatonix - Save The World / Don't You Worry Child [Live @ The Tabernacle - Atlanta, GA - 7/31/13] 3:44 Pentatonix - Save the World / Don't You Worry Child (Lyrics) 3:15 Pentatonix - Joy to the World (Official Video) 4:39 Pentatonix - Say Something (Official Video) 3:42 Pentatonix - Prayers For This World (Official Video) 3:57 Pentatonix - Mad World (Official Video) 4:22 PENTATONIX - \"Save The World (Tonight)\"/\"Don't You Worry Child\" - House of Blues, Boston, MA 3:24 [Official Video] I Need Your Love - Pentatonix (Calvin Harris feat. Ellie Goulding Cover) 3:52 PENTATONIX- SAVE THE WORLD-NYC 4:05 Pentatonix: Save The World/Don't You Worry Child 2:58 Pentatonix - Save the World (Live @ Levitt Pavilion Arlington, TX 9-2-12) 4:05 Pentatonix - The Sound of Silence (Official Video) 8:34 Pentatonix \"Save The World/Don't U Worry Child\" & \"Thrift Shop\" - Live in Amsterdam 2013