 Another best-selling version was by Bobbie Gentry, who topped the UK chart.In the fall of 1968, Bacharach and David were in Boston for previews of "Promises, Promises", the new musical for which producer David Merrick had asked if they would write the score, and Merrick realized, "We're missing a song in the middle of the second act, and what we need is something the audience can whistle on their way out of the theater.