Yeah, thats funny about the kids lyrics in the 40s!
And, in Roger Waters Pros And Cons of Hitchiking, the opening riff of
"In The Flesh" is used at the end of the song before the "Pros n Cons of Hitchiking" song.... I thought that was pretty cool myself.

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"Are there any paranoids in the audience tonight? Anybody that worries about things? Pathetic! This one's for you, its called Run Like Hell"
(Roger Waters, The Wall Live 1980)