Carrie Underwood has a couple of demo CDs she recorded when she was 13 or 14.
Seth Poppel/Yearbook Library
One is called "Broken Wing" and is full of covers of other artists' songs.
You can also hear samples of all the songs, which include:
Goodbye Earl (Dixie Chicks), Because You Love Me (Jo Dee Messina), There You Are (Martina McBride), Can't Get Enough (Patty Loveless), Show Me Heaven (Maria McKee), Cold Day In July (Dixie Chicks), Lesson in Leavin' (Jo Dee Messina), Crazy (Patsy Cline), A Broken Wing (Martina McBride), Tonight the Heartache's On Me (Dixie Chicks), I Hope You Dance (Lee Ann Womack), and more.