In an era in pop music that is defined by streaming and personalized tastes, few artists have been able to achieve mainstream success like Taylor Swift.

A huge element to her cultural dominance is without doubt her signature style of songs — which combine catchy hooks laced with intimate personal details in her lyrics.

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Songwriter and musician Scarlet Keys is getting to the bottom of what makes a Taylor Swift song truly sing, and is passing it on to her students at Berklee College of Music in her course, "The Songwriting of Taylor Swift."

We sit down with Keys, and a student of the class, Mira Goto (who is already an accomplished singer-songwriter herself) top hear about secrets to Swift's success — and how she see

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