A demo earned him a deal with the Island label in the UK. His debut album, The Lateness of the Hour, produced by Mike Spencer and Major Lazer was released in July 2011. The first single from the album was "Up All Night", followed by "Too Close" and "Treading Water". On 19 May 2011, Reggie Yates made Alex Clare's cover of Prince's "When Doves Cry" his Song of the Day. A day later, the Dutch radio station 3FM announced single "Too Close" to be the '3FM's Megahit of that week. On 21 June 2011, Clare performed at the Queens' College, CambridgeMay Ball. On 14 August 2011, Clare performed at the Summer Well festival in Buftea, Romania. Following the disappointing performance of the album, Clare was dropped from his record contract with Universal Island in the UK. In March 2012, Clare's song "Too Close" was featured in several Internet Explorer 9 advertisements. Following its use, the song debuted at number 68 on the US Billboard Hot 100, and later reached number 7, becoming his first top 10 hit. Clare saw success on the German charts too, reaching number one. On 13 May 2012, Clare's song peaked at number 4 on the UK Singles Chart. Soon after the song appearance in charts, Universal Republic signed Clare to a distribution deal that allowed The Lateness of the Hour to be released in America in March 2012. In mid-2012, it was announced that Universal Republic was going defunct moving artists from its roster to Republic Records including Alex Clare. In 2012, he sang the role of Voice of Humanity on the album Jeff Wayne's Musical Version of The War of the Worlds – The New Generation along with Gary Barlow, Joss Stone and Liam Neeson. In May 2014, Clare released the video for his single "War Rages On" as the lead single from his second album Three Hearts, which was released on 11 August 2014. "War Rages On" has also served as the title sequence to the popular BBC Drama, Our Girl. On 8 October 2014, ASCAP named members Alex Clare and Jim Duguid Songwriters of the Year for "Too Close". In October 2016, Clare's first single from his debut album, "Up All Night" was used as the opening theme for BBC Three science-fiction series Class. In November 2016, he released the album Tail of Lions. It was announced in July 2018 that Clare would be releasing an acoustic album called Three Days at Greenmount, to be released on 14 September 2018. The album, which features stripped-back versions of previous songs as well as unreleased tracks, was recorded during a three-day studio session in Leeds over the summer of 2017.
Personal life
Brought up in what he has described as a "very, very secular" environment, Clare became a baal teshuva to Orthodox Judaism in the mid-2000s. As such, he does not perform, travel or work on Shabbat or on Jewish holidays. He has said that he lost one-record deal opportunity due to this observance, but has found other ways to continue his career successfully. Clare also keeps a strictly kosher diet, and maintains a schedule of Talmud study on tour. In 2006, before gaining critical success, Clare dated British singer Amy Winehouse, but the relationship lasted less than a year. They met while he was performing and working at a bar she frequented, the Hawley Arms in Camden, North London. He lived in Golders Green, an area in northwest London, before moving to Jerusalem in late 2015 together with his family.