OAK LAWN, IL – Ba, da, ba, ba, ba! Shamrock Shake season is back! Beginning Feb. 17, local McDonald’s owner/operators will donate 25 cents from each fan-favorite shake sold through March 17 to local ...

Chances are you can hear it in your head now. There is no question that ‘ba da ba ba ba’—five notes and syllables—has become one of the most recognizable sonic logos of all time. And it’s no accident ...