5.
The Gregory Brothers' country version of Miley Cyrus' "Wrecking Ball"
6.
Lennon and Maisy sing The Lumineers' "Ho Hey" on Nashville
7.
Arctic Monkeys' version of Drake's "Hold On, We're Going Home"
8.
Pentatonix's a cappella rendition of Lorde's "Royals"
9.
James Franco sings Britney Spears' "Everytime" in Spring Breakers
10.
Miley Cyrus sings Lana Del Rey's "Summertime Sadness"
11.
The xx's haunting version of Beyoncé's "I Miss You"
12.
Lea Michelle sings Bob Dylan's "Make You Feel My Love" in tribute to Cory Montieth on Glee
13.
Fifth Harmony's version of Ariana Grande's "Honeymoon Avenue"
14.
Chvrches perform Whitney Houston's "It's Not Right But It's Okay"
16.
The Civil Wars' stripped down, ultra-sad interpretation of The Jackson 5's "I Want You Back"
17.
Zombie Frogs' piano and drums arrangement of Periphery's "Make Total Destroy"