Songwriter Michael Koppy says we’ve all been happily singing along to abysmal lyrics without noticing. In his book “Words and Music Into the Future” -- which he calls a treatise and a manifesto -- he excoriates the lyrics of even our most beloved songwriters, like Bob Dylan and John Lennon. How much attention do you pay to the lyrics of your favorite songs? We want to hear from you. What are the worst -- and the best -- song lyrics in popular music?

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