"Homo Ludens" ("Playful Man"), A 1938 Book By Dutch Historian & Cultural Theorist J. Huizinga

"Homo Ludens"

https://en.wikipedia.org/wiki/Homo_Ludens

Alan: Perhaps most notably, people "play" music - arguably the most exalted human activity.

Imagine a world without music.

"Don't Let Me Down"
Performed "live" on Abbey Road rooftop
https://www.youtube.com/watch?v=NCtzkaL2t_Y

"I've Got A Feeling"
Live
https://www.youtube.com/watch?v=ztIEogFr9j4

"Nowhere Man"
Live
https://www.youtube.com/watch?v=93rSXA8aeG4

"Revolution"
Live
https://www.youtube.com/watch?v=BGLGzRXY5Bw

"Hey Jude"
Live
https://www.youtube.com/watch?v=A_MjCqQoLLA

Strawberry Fields
Lennon's solo acoustic version
https://www.youtube.com/watch?v=hobkFHJTut4