"Sing" is a song by the Scottish band Travis, written in the original key of A major. Released as a single in 2001, it became one of their most popular and recognizable tracks. The song was composed by the lead singer of the band, Fran Healy. An interesting trivia is that "Sing" was inspired by a conversation between Fran Healy and his then-girlfriend, who suggested writing a positive song for a change. The melody features a catchy and uplifting chorus, blending acoustic guitars with a captivating piano riff, and showcases Healy's distinctive and emotive vocals.