: A high-energy power pop number set in the key of D major with a fast-paced tempo of 128 beats per minute.
: Written by Rami Yacoub, Carl Falk, and Savan Kotecha, the track was originally two separate songs —one with a strong verse and another with a strong chorus—that were merged together. One Direction - One Thing (Audio)
: Critics often noted its musical similarity to the Backstreet Boys' " I Want It That Way " and the band’s own debut, "What Makes You Beautiful". Chart Performance & Certification : A high-energy power pop number set in
: Predominantly features Harry Styles and Liam Payne, with the full group joining for its anthemic chorus. Lyric Meaning & Reception and Savan Kotecha