Updated Oct. 21
Did Tom Petty's "I Won't Back Down" ever become your personal anthem? Are there events in your life that make the song especially meaningful? If so, we want to hear from you.
Tell us your story in the form below — or here — and please be as detailed as possible. A producer may contact you to share your story for NPR's American Anthem series, on-air and/or online.
This form was closed on Oct. 21.