Authors:

Saying you like "Piano Man" doesn't mean you like Billy Joel; it means you're willing to go to a piano bar if there's nothing else to do

Chuck Klosterman (2010). “The Billy Joel Essays: Essays from Sex, Drugs, and Cocoa Puffs and Chuck Klosterman IV”, p.16, Simon and Schuster
Saying you like Piano Man doesn't mean you like Billy Joel; it means you're willing to go to a piano bar if there's nothing else to do