It's not gonna be a sad song

It's not gonna be a mad song, yeah

I betcha thought it was a sad song

I betcha thought it was a bad song

Be a sad song

It's not gonna be a mad song, yeah

I betcha thought it was a sad song

I bet you thought it was a mad song

Na nu na nu na na nu nu na na nu nu

Na nu na nu na na nu nu nu nu nu nu

Na nu na nu na na nu nu na na nu nu

Na nu na nu na na nu nu nu nu nu nu

Sad song

It's not gonna be a mad song, yeah

Bet you thought it was a sad song

I betcha thought it was a mad song, yeah

It's not gonna be a sad song

It's not gonna be a mad song, yeah

I bet you thought it was a sad song

I bet you thought it was a mad song

Na nu na nu na na nu nu na na nu nu

Na nu na nu na na nu nu nu nu nu nu

Na nu na nu na na nu nu na na nu nu

Na nu na nu na na nu nu nu nu nu nu

Na nu na nu na na nu nu na na nu nu

Na nu na nu na na nu nu nu nu nu nu

Na nu na nu na na nu nu na na nu nu

Na nu na nu na na nu nu nu nu nu nu