Oorspronkelijk: How Long Has This Been Going On. Carl Strommen. Funny Face , Rosalie. Sheet Music by George Gershwin. Alfred Publishing Co..
Vertaling: Hoe lang is dit Going On. Funny Face, Rosalie. Bladmuziek van George Gershwin. George Gershwin, Ira Gershwin. Solero. Fluit of hobo.