"None Of The Above - Tomatoe Potatoe - The Nethack Song" - Tony Mason (1992)
From the album "Tomatoe Potatoe"

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Eat was your pet eats, but eating old corpses is bad. 
Armor is essential
don't pray all the time
Never directly attack a lowercase e
and stay far away from the lowercase c
When you're running on empty, if you don't run away
then somebody somewhere is gonna make you wish that you had. 

Rings make you hungry
kicking an altar is bad. 
Leprechauns make you jumpy
don't make the shopkeeper mad. 

Never directly attack an uppercase P, unless a gold shield is what you have seen. 
And offer your god anything you can find, except for the unicorn aligned with yourself. 

Never directly attack an uppercase R, If you want your equipment to take you very far
Now strength is the key, the key that you need. To take you below where the demons reside.