Forrás: I. O. U. Blues Sheet Music by Don Robey. Don Robey , David Matis. Hal Leonard , Universal. English. 0-7579-0169-7. Solero.
Fordítás: Hal Leonard, Universal. Angol. Ólom lapok. Sometimes I wonder. where can my baby be. Oh, then again, I wonder. do she ever think of me.