1989 is the fifth studio album by Taylor Swift, originally released in 2014, and marked her full transition from country to pop. The title refers to her birth year. Musically, the album draws on 1980s synth-pop, with producers Max Martin, Shellback, Jack Antonoff and Ryan Tedder. Shake It Off and Blank Space both reached number one in the United States, along with singles such as Style and Bad Blood. The album won the 2016 Grammy Award for Album of the Year, topped the charts in the United States and sold more than a million copies in its first week. Thematically, 1989 revolves around new beginnings and life in New York.