<Ul> <Li> The original version of the song is featured in NCIS--the episode number 291 (S13E09), ("Day In Court"). </Li> <Li> The song is featured in the episode 13 of season 5 of The Vampire Diaries . </Li> <Li> The instrumental version and first version of the song appears in the series finale episode, ("Stiiiiiiill Horny") of Suburgatory . </Li> <Li> The song is featured in the movie, Perdona Si Te Llamo Amor, released on June 19, 2014 . </Li> <Li> The song is heard in the first theatrical trailer for the film adaptation of Gayle Forman's novel, If I Stay . </Li> <Li> The song was used in the season 5 finale of Rookie Blue, a Canadian television police drama . </Li> <Li> The song is heard in the episode 4 of season one of Red Band Society . </Li> <Li> The original version of the song, without Christina Aguilera, is used in a season 19 episode of South Park; the episode was entitled: "Tweek x Craig". </Li> <Li> The song is featured in a trailer for the movie, The 33 . </Li> <Li> The original version of the song is featured at the end of episode 4, titled "Secrets and Lies", from season 8 of Heartland (Canadian TV series). </Li> <Li> Pentatonix did an a cappella cover of the song . </Li> <Li> Stellenbosch University Choir did an a capella cover as well on the base of the arrangement by Pentatonix . </Li> <Li> The song is featured at the end of the Season Five finale, "Buried", of "Republic of Doyle" </Li> </Ul> <Li> The original version of the song is featured in NCIS--the episode number 291 (S13E09), ("Day In Court"). </Li> <Li> The song is featured in the episode 13 of season 5 of The Vampire Diaries . </Li> <Li> The instrumental version and first version of the song appears in the series finale episode, ("Stiiiiiiill Horny") of Suburgatory . </Li>

Who is the original singer of say something i'm giving up on you