 The episode features cover versions of ten songs , nine of which have been released as eight singles available for downloading , with the two @-@ song mash @-@ up released as one single , but no release of " Chapel of Love " , which was heard in only a brief snippet on the show . Performances include Nat King Cole 's " L @-@ O @-@ V @-@ E " sung by Jenna Ushkowitz and Harry Shum , Jr . ; Dolly Parton 's " I Will Always Love You " in the style of the Whitney Houston cover version sung by Riley ; " Stereo Hearts " by Gym Class Heroes featuring Adam Levine sung by Larsen , Overstreet and Riley ; and Mario 's " Let Me Love You " sung by McHale . Other songs that are featured include Cole Porter 's " You 're the Top " from the musical Anything Goes , " Love Shack " by The B @-@ 52 's , Michael Bublé 's " Home " , and a mash @-@ up of two songs entitled " Cherish " : The Association song and the Madonna song . Whitney Houston died unexpectedly on February 11 , 2012 , three days before the episode was scheduled to air and the day after the finished episode was delivered to the network . The producers subsequently announced that they would pay tribute to Houston with a dedication to her in the end credits . 
