What group formed in 2010 by Starship Entertainment released their fourth extended play on June 21, 2016?
Sistar Sistar (, often stylized as SISTAR) was a South Korean girl group formed in 2010 by Starship Entertainment. The group consisted of Hyolyn, Bora, Soyou, and Dasom. Their debut studio album "So Cool" was released on 9 August 2011. Their second album, "Give It to Me," was released on 11 June 2013. Their biggest hits include "So Cool", "Alone", "Touch My Body", "Loving U" and "Give It to Me". Their fourth single, "So Cool," debuted at number one at "Billboard" Korea K-Pop Hot 100 singles chart.
Butterfly, Butterfly (The Last Hurrah) "Butterfly, Butterfly (The Last Hurrah)" is a song by A-ha, and their final recording before their second splitting on 4 December 2010. The song was sold digitally in Norway from July 5. It is included on "25", a compilation album released on July 19. Its world premiere was on June 14, 2010.