From the NY Times on January 13, 1978:
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Goodman for GEICO
On TV and radio and in print starting Monday, Benny Goodman, the king of swing, will begin his stint as a promotor of insurance from the Government Employees Insurance Company.
And his famous clarinet and “Jersey Bounce” will be teamed up to push auto and home owners’ insurance.
And if you want to know who is responsible for such obvious lines as “Swing to GEICO Today,” and “Here's a happy note on auto insurance—swing to GEICO for lower insurance rates,” blame Wunderman, Ricotta & Kline, a subsidiary of Young & Rubicam.
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