Title: Say You Won't Let Go
Content:  A music video to accompany the release of "Say You Won't Let Go" was first released onto YouTube on 9 September 2016 at a total length of three minutes and thirty seconds. On YouTube it has received over 1.2 billion views.
Title: Say You Won't Let Go
Content:  "Say You Won't Let Go" is a song by English singer and songwriter James Arthur. The song was released as a digital download on 9 September 2016 in the United Kingdom by Columbia Records as the lead single from his second studio album Back from the Edge (2016). The single peaked at the top of the UK Singles Chart, a position it maintained for three weeks. Outside the United Kingdom, the single has topped the charts in Australia, New Zealand, Sweden and the Republic of Ireland. It also became his breakthrough hit in the US, peaking at number 11 on the Billboard Hot 100. In early March, it had gone double platinum in the UK. In May 2018, it was reported that The Script had launched legal proceedings against Arthur due to alleged copyright infringement in regards to the song. In response to claims that the song sounds similar to The Script's "The Man Who Can't Be Moved", the song's writers initially decided not to pursue legal action. However, following a claim in May 2018, they were successfully awarded a songwriting credit.
Title: Say You Won't Let Go
Content:  certified platinum in the US by the RIAA on May 18, 2017. The song has sold over 1,208,000 digital copies in the US as of September 2017. It was the eighth best-selling song of 2017 in the US, with 1,195,000 copies sold in 2017. By 2021, the single had sold 2,676,756 copies in the UK. On 15 September 2016, the song entered the Irish Singles Chart at number 91 before peaking at number one on 14 October and spending four non-consecutive weeks at the top of the charts. The song has also charted in Australia, France, New Zealand and Sweden. On February 26, 2017, it was announced on Channel 4's Sunday Brunch that the single had sold 2 million copies worldwide.
Title: You Won't Let Go
Content:  "You Won't Let Go" is the lead single, released on February 4, 2014, from Michael W. Smith's album, Sovereign.
Title: Say You Won't Let Go
Content:  date November 12, 2016. The song peaked at #11 for two non-consecutive weeks being kept out of the top 10 from Malibu by Miley Cyrus the first week and Congratulations by Post Malone the second week. It spent 52 weeks on the chart. The song is his first single to chart on the US Billboard Hot 100, making Arthur only the second winner of The X Factor UK to reach the US top 40 (following Leona Lewis) and only the third winner to chart on the Hot 100 following Lewis and Little Mix. In May 2017, the song reached No. 1 on the Adult Pop Songs Airplay Chart, more than six months after its release in the US. The song was 
Title: I Won't Let Go (Rascal Flatts song)
Content:  "I Won't Let Go" is a song written by Steve Robson and Jason Sellers and recorded by American country music group Rascal Flatts. It was released in January 2011 as the second single from the band's seventh studio album, Nothing Like This as well as their 28th single overall. The song received positive reviews from critics who praised Gary LeVox's vocal delivery. "I Won't Let Go" peaked at number 2 on the Billboard Hot Country Songs chart, number one on the Canadian country charts and number 31 on the Hot 100. The song was certified Platinum by the Recording Industry Association of America (RIAA), denoting sales of over one million units in the country. It also managed to chart in Australia and Canada, peaking at numbers 39 and 68 respectively. The accompanying music video for the song was directed by Deaton-Flanigen Productions and is footage of a live performance.
Title: You Won't Let Me
Content:  "You Won't Let Me" is a song by American recording artist Rachael Yamagata from her third studio album Chesapeake (2011). It was written by Yamagata and Mike Viola, with Indaba Music producing the track. Described as a "pleading ballad", the song is about "showing someone how to laugh".
Title: Neil Ormandy
Content:  Down; The Girl With the Dragon Tattoo; Selma; The Avengers; and the official trailer for Rogue One: A Star Wars Story. Ormandy co-wrote James Arthur's 2016 single "Say You Won't Let Go", which was a number 1 single in the United Kingdom, Sweden, Australia, Ireland, New Zealand and the Netherlands. In the US, it reached number 11 on the Billboard Hot 100 and number 1 on the Adult Top 40 chart. Currently "Say You Won't Let Go" is the number 11 most streamed songs on Spotify with over 1 billion streams to date. In 2017 he wrote the single "Breathe" by Eric Prydz featuring Rob Swire, which reached number 27 on the Billboard 
Title: You Won't Let Me
Content:  "You Won't Let Me" is the debut single by Australian singer-songwriter Karise Eden who won the first season of The Voice (Australia). It was released as a digital download in Australia on 19 June 2012 as the lead single from her debut studio album My Journey (2012), on 19 June 2012. The song peaked at number five on the ARIA Singles Charts.
Title: I Won't Let You Go (James Morrison song)
Content:  "I Won't Let You Go" is a song by British singer James Morrison. The song was released as the first single from his third studio album, The Awakening. The song was first released on 25 August 2011, with the first country receiving a release being Belgium. According to Songfacts, Morrison wrote the mid-tempo ballad about Gill, his long-term girlfriend and the mother of his daughter. The song was used as a promo for the 2012 season of Home and Away.

Question: who sing say you won't let go?
Answer: James Arthur.