"So with sweet soul, you have the rhythm and it's super-black — it's heavy, it's funky, it swings. The bass is always super-funky, and it's got this toughness to it.
"But then on top of that, you have these big, lush, open chords with jazz progressions — an almost Western influence, especially when you're talking about the strings and horn arrangements. You get notes of Tchaikovsky and Jean Sibelius, Beethoven or Ravel.
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