I'm certainly not advocating taking illegal drugs or even using legal drugs in a way that detrimentally affects your health or people around you but as somebody that grew up in the 60's that liked Beatles music, find this fascinating.
I would have put this one at #1
https://www.youtube.com/watch?v=vdvnOH060Qg
This song is what traders sing after they keep losing money in the markets:
https://www.youtube.com/watch?v=BpndGZ71yww
https://www.youtube.com/watch?v=wQA59IkCF5I
https://www.songfacts.com/facts/the-beatles/dear-prudence
According to Nancy de Herrera's book, All You Need Is Love, Prudence met The Beatles on a spiritual retreat with their guru, Maharishi Mahesh Yogi, in India