Comment by yowlingcat

'According to his son and daughter, he would play music whenever he faced an intractable problem, and would often finish the performance by saying, “There now, I’ve got it”. It was a much better use of his time than continuing to fruitlessly agonise over the maths or physics.'

Fascinating. Definitely have experienced this with hard problems and writing music. There must be some kind of orthogonality going on there.