https://en.wikipedia.org/wiki/The_K%C3%B6ln_Concert
Essay on Frustration: Sources, Reactions and Measures to Face Frustration
How frustration can make us more creative: https://www.youtube.com/watch?v=N7wF2AdVy2Q
12 ways to overcome frustration: https://www.youtube.com/watch?v=8I13yDuD_m4