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The Popeye theme tune is basically a limerick
(lemmy.world)
A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. A showerthought should offer a unique perspective on an ordinary part of life.
Another fun fact: Because both are written in the common metre (alternating between 8 and 6 syllables), much of Emily Dickinson's poetry can be read to the tune of the "Gilligan's Island" theme
Currently singing Amazing Grace to the tune of House of the Rising Sun