Endlessly is the second studio album by Welsh singer Duffy. It was released in the United Kingdom on 26 November 2010 by A&M Records (under Polydor) and in the United States on 7 December 2010 by Mercury Records. Duffy worked almost exclusively with Albert Hammond Snr. on the album, with all but one of the album's songs being written by Hammond and Duffy. Four of the songs received additional or co-production by Stuart Price. Music is also provided by The Roots and Questlove. Musically, the album follows the soul stylings of her first album Rockferry (2008), although Duffy drew inspiration from a variety of other genres, including disco and soft rock, and was compared to pop singers such as Kylie Minogue. It has been said that Duffy wrote the album in three weeks, although recording sessio