Why don't you sing about   Things that you know about?   Ahh-ahh, ahh-ahh....   Ahh-ahh, ahh-ahh....      Why don't you sing about   Things that you know about?   Why don't you sing about   I really don't care.      Why don't you sing about   Things that you know about?   I really don't care!      Ahh-ahh, ahh-ahh....   Ahh-ahh, ahh-ahh....      The way you wear your hair,   I don't even know about!   The way you wear your hair,   I really don't care.      Pizza by the slice   Is something that I know about!   We'll never get it right,   You know I really don't care!      Ahh-ahh, ahh-ahh....   Ahh-ahh, I really don't care...      Ahh-ahh, ahh-ahh....   Ahh-ahh, I really don't care...      Why don't you sing about   Things that you know about?   Ahh-ahh, I really don't care.      Why don't you sing about   Things that you know about?   I really don't care!      Ahh-ahh, ahh-ahh....   Ahh-ahh, I really don't care...      Ahh-ahh, ahh-ahh....   Ahh-ahh, I really don't care...      Four, three, two, one...