
1) All-female band
Found on
https://www.crosswordclues.com/clue/kostars

Kostars was an alternative/pop-rock side project formed by Vivian Trimble and Jill Cunniff while on a headlining tour with Luscious Jackson in 1995. Trimble and Cunniff, who needed an additional outlet for the transistor radio hits they were writing, wrote under the name Kostars titled Klassics With A `K`. The album was recorded at Kate Schellen.....
Found on
http://en.wikipedia.org/wiki/Kostars
No exact match found.