A prolific and successful writer of commercial jingles after he left
The Cyrkle, Dawes wrote the tunes for commercials for Alka-Seltzer ("Plop plop, fizz fizz"), Vidal Sassoon ("If you don't look good, we don't look good"), L'Eggs ("Nothing beats a great pair of L'Eggs") and American Airlines ("Doing what we do best"), among others.