30: What does a brand sound like?

<p>Companies spend a lot of time and effort perfecting the look of their brands. But now what a brand sounds like matters just as much. We trace the history from songs to jingles to what's called sonic branding, following the creative process that led to AT&amp;T’s iconic four-note sound logo. And we'll explore what comes next: multi-sensory marketing. Can sound change how beer tastes?</p><p>Sign up for our newsletter:&nbsp;<a href="http://newsletter.businessinsider.com/join/brought-to-you-by" target="_blank">http://newsletter.businessinsider.com/join/brought-to-you-by</a></p>