American band 'The Shins' performed at music temple 'Paradiso' at Amsterdam last 30th March 2017. I was there and was fascinated by the strong cubistic light triangles and the colour differences (yellow, purple, red).
Graphite & colour pencil drawing (Pentel 0.5 mm, 3B & Derwent Coloursoft) on Canson Bristol paper (21 x 29.7 x 0.01 cm - A4 format)