SISTAR19

Sistar19 (Korean: 씨스타19) is a South Korean duo and sub-unit of the girl group Sistar, formed by Starship Entertainment. Composing of Bora and Hyolyn, they debuted in May 2011 with the digital single "Ma Boy". Their second and most successful single, "Gone Not Around Any Longer", was released in 2013 as the title track for their first and only EP of the same name.