Oh Wonder are an English, London-based alt-pop duo consisting of Anthony West and Josephine Vander Gucht. Since releasing their debut album, they have seen international success with their alt-pop singles. Oh Wonder recorded and released one song a month for a year, starting in September 2014. All of the songs were released together as a self-titled debut album on 4 September 2015. On 14 July 2017, the duo released their second album, Ultralife. On 12 February 2020, they released their third album, No One Else Can Wear Your Crown. All three albums were written, recorded, produced, and mixed by the duo and have seen cross-platform success. The band played sold-out shows in London, Paris, New York, and Los Angeles one week after their debut album release, which marked the beginning of the their touring career. They have since played multiple headline shows and festivals in numerous countries.