Question: Who wrote the song which was sampled in Letting Go? 

Context articles: Letting Go (Earshot album)
I Belong (Candice Alley song)
Te Amo (Rihanna song)
Let's Just Be
Cry (Just a Little)
Ross Copperman
Wai Notes
Letting Go (Dutty Love)
The Other Half of Letting Go
Not Letting Go

Letting Go is alternative metal band Earshot's debut album.
 "Get Away" and "Not Afraid" were released as singles and were minor hits with each having their own music video.
 “Get Away” reached #4 on the U.S. Active Rock Charts and stayed in the top 100 for over 64 weeks.
 "Letting Go" reached #82 on The Billboard 200.
"I Belong" is a pop song written by Candice Alley and produced by Michael Szumowski for Alley's second album "Candice Alley" (2007).
 It was released as the album's second single in Australia on 21 July 2007 as a CD single and digital download.
 Alley commented: "I Belong is about moving on and being optimistic - about letting go of old things.
 It's a positive song".
 She wrote the song in 2003 while writing her previous hit "Falling", and was excited when she saw it in production, she said: "It's great when something you have written has been given a pulse.
 I can hear and see it now thanks to the video and that is a great feeling".
 Producer Szumowski stated: "It was one of the first songs we started working on.
 It's got a chorus that creeps up and hits you, and I loved it straight away".
 The song failed to chart on the Australian ARIA Singles Chart, but peaked at number eight on the Australian Independent Singles Chart.
"Te Amo" (English: "I Love You") is a song by Barbadian recording artist Rihanna from her fourth studio album, "Rated R" (2009).
 The electro-Latin song was written by Mikkel S. Eriksen, Tor Erik Hermansen, James Fauntleroy II and Rihanna, with production helmed by Eriksen and Hermansen under their production name, Stargate.
 "Te Amo" impacted radio in Canada on June 7, 2010, and was released via digital download on June 8, 2010, in Australia, Italy and New Zealand, as the album's third international and fifth overall single.
 "Te Amo" incorporates elements of Latin American music and conveys Rihanna's struggles as the object of another woman's desires.
Let's Just Be is the sixth studio album by Joseph Arthur, and his first with his backing band The Lonely Astronauts.
 The album was released on April 17, 2007 in the US, and on September 3, 2007 in the UK.
 According to Arthur: "the philosophy of the whole record was sort of a letting go, that's why I called it "Let's Just Be", because it was like everything about that record [came from] a Zen-like approach.
 Just letting things be how they are."
"Cry (Just a Little)" is a song by Dutch dance duo Bingo Players.
 The song's only lyrics are the repetition of "I know I'm caught up in the middle; I cry just a little when I think of letting go.
 Oh no, gave up on the riddle; I cry just a little when I think of letting go."
 They were originally in "Piano in the Dark", a 1988 hit song by Brenda Russell.
 For this song, the line was performed by Kelli-Leigh (vocals) along with Hal Ritson (back vocals).
Ross Copperman (born October 1, 1982) is a Grammy nominated American singer-songwriter and producer best known for his song "All She Wrote" which was released in the UK in the beginning of 2007 and "Holding On and Letting Go" which was featured in "The Vampire Diaries"( TVD) in 2011, "Drop Dead Diva" in 2013 and the series finale of "".
 Ross has written several #1 songs including: Brett Eldredge's "Beat of the Music", "Lose My Mind" and "Drunk on Your Love," Billy Currington's "Don't It", A Thousand Horses' "Smoke", Luke Bryan's "Strip It Down", Keith Urban's "" and "Break on Me", Justin Moore's "Point at You," Jake Owen's "American Country Love Song," Florida Georgia Line's "Confession)," LoCash's "I Know Somebody" and "Setting the World on Fire" by Kenny Chesney featuring P!nk.
 Copperman has also produced for several artists including: Keith Urban, Brett Eldredge, Dierks Bentley, Eli Young Band, Darius Rucker and Jake Owen among others.
 He was recently honored as 2016 ACM Songwriter of the Year, 2016 BMI Songwriter of the Year, and winner of a 2016 Double CMA Triple Play Award.
Wai Notes is a 2007 album by Dawn McCarthy and Bonnie 'Prince' Billy, credited here as Bonny Billy.
 It is a collection of demo songs for "The Letting Go" released in 2006.
 The album comprises recordings on tapes exchanged between Will Oldham and Dawn McCarthy through the mail prior to recording "The Letting Go".
 It is now out of print, as only 10,000 copies were duplicated.
"Letting Go (Dutty Love)" is a song by American recording artist Sean Kingston.
 It was produced by Stargate, and features Trinidadian recording artist Nicki Minaj.
 The song was originally released as the second single from Kingston's third studio album, "Back 2 Life", but was taken off for unknown reasons.
 The song samples Rihanna's "Te Amo" which was also produced by the same production team, Stargate.
 As of December 2014, the song has sold 1.1 million copies in the United States.
The Other Half of Letting Go... is the fourth official mixtape from Milwaukee, Wisconsin rapper Gerald Walker.
 The mixtape was released on September 20, 2011, through One Step at a Time Music.
 The mixtape is named after American painter Esao Andrews' piece also titled "The Other Half of Letting Go."
 The mixtape's lead single, "The Missing Piece" is produced by Chemist.
 The second single, "Shackles" was produced by J.LBS.
 The mixtape was originally scheduled to be released by Grand Hustle Records, however Walker announced his intention to self-publish: "No Grand Hustle, we're gonna do this ourselves."
 with a September 20 release date.
"Not Letting Go" is a song by English rapper Tinie Tempah.
 It features the vocals from Jess Glynne.
 The song was released as a digital download in the United Kingdom on 21 June 2015 as the lead single for his third studio album "Youth".
 It also appears on the deluxe version of Glynne's debut album, "I Cry When I Laugh" (2015).
 "Not Letting Go" samples the song "Not for Long" by American rapper B.o.B. and also contains a sample from "There's a Better Way" from Jermaine Jackson's 1982 album "Let Me Tickle Your Fancy".