"You're the Corduroy of Dads" is sung by Hayley as her contribution to Stan's make-up Father's Day in "Father's Daze". Stan remarks that it reminds him of early Bob Dylan...so early that he hadn't learned how to to play the guitar.
You're the corduroy of dads
The best one I've ever had
I wrote this song for you, daddy
I wrote this song for you-uuuuuuuuuuuu, yeah-hhhhhhhhhhaaahhhhhhyeahyeahyeahyeahhhhhhh