Candor compels me to admit that I have no conclusive research to support my view that jingles are less persuasive than the spoken word. You'd run like hell if a salesman came to your door and began singing at you. Why do it in advertising?
David OgilvyDevelop your eccentricities while you are young. That way, when you get old, people won't think you're going gaga.
David OgilvyAdvertising is the place where the selfish interests of the manufacturer coincide with the interests of society.
David Ogilvy