Lane 1 14 2017 1. 1 History 11 Pre-debut. Also spelled as Blackswan is a four-member girl group under DR Music.
Lane 2 Signal.
Lane 2 Signal. Renaming as BLACKSWAN new members debut 2 Members 3 Discography 31 Studio albums 4 Trivia 5 Gallery 6 References 7 Official links On June 26. First concert tour TWICEcoaster. Lane 1 14 2017 1.