While We're Young(当我们正年轻) When We Were Young (当我们还年轻); We Are Young (我们正年轻) When You Were Young (当你正年少) Live While We're Young(挥洒青春) One Day When We Were Young (当我个年轻时) Forever Young(永远年轻) While we're young (live) (2:06) Where Were You, Bert? When We Were Young