What set is this bag or black and violet pieces from?
Based on the following parts
303526: Plate 4X8 in Black
4211441: Technic Brick 1X4, Ø4,9 in Medium Stone Grey
6109934: Plate 4X4, 1/4 Circle in Bright Reddish Violet
281721: Technic Doub. Bearing Pl. 2X2 in Bright Red
This bag is from:
41105-1: Pop Star Show Stage