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(THE CONVERSATION) Vocal juggernaut. Social activist. Artistic collaborator. Diva.

As Aretha Franklin is laid to rest, the Queen of Soul will deservedly be remembered in an array of tributes reflecting the immense legacy of her life and music.

Her voice is ingrained in the canon of American music, and she’s had a number of staggering accomplishments. But to me, one period of her career stands out as the most significant: the years after she left the world of gospel music.

Her jump...