been having days i didn t know your name why should i worry it s all in vain but now it s gone and i don t worry sitting on top of the world i went down to the station looked dad in the eyes dad it gave me some train but now it s gone and i don t worry sitting on top of the world had to work all the summer had to work all the fall now i gotta take christmas in my overalls but now it s gone and i don t worry sitting on top of the world been having days i didn t know your name why should i worry it s all in vain but now it s gone and i don t worry sitting on top of the world looked dad in the station looked dad in the gotta give me some but now it s gone and i don t worry sitting on top of the world