Norma John is a Finnish indie-pop duo made up of Leena Tirronen and Lasse Piirainen. They have been friends for many years and have collaborated since high school. Leena finished third on the first season of The X Factor Finland, while Lasse is a musician, producer and songwriter by profession. They represented Finland at the Eurovision Song Contest 2017 in Kiev with the song Blackbird. It failed to advance from the first semifinal.