Thomas Mann writes Doctor Faustus and explores in detail the combination of mental illness, physical illness and a “Deal with the Devil” that has been made for a 24 year span with a demon to provide Composing Genius. After his 24 years are up, he is now physically and mentally ill and the final 10 years of his life becomes an allegory for Nazi Germany and the Third Reich.
Exactly 20 years after this manuscript is completed, The Beatles finish writing Sgt. Pepper and the song opens with a cryptic reference to Sgt. Pepper having “taught the band to play” exactly 20 years ago.