How come "Chan Chan" by "Buena Vista Social Club" uses the A chord, since it's in D minor? Shouldn't the chord progression be Dm Edim F Gm A Bb C?

Or, put another way, is there a key that has the chords the song uses, i.e. Dm F Gm A?

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    The A chord is perfectly fine in D minor. It's the dominant and it's used all the time. Please take a look at this question and its answers for a better understanding of minor key harmony. – Matt L. Sep 10 '16 at 20:14
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    And even if it didn't have a diatonic excuse to be in a D minor tune, remember that chromatic chords and notes - ones that aren't in the main scale of a key - are frequently used. And you can't keep calling "modulation" or "borrowed chord" every time a chromatic harmony appears. (Well, you can, but it's a bit silly.) – Laurence Payne Sep 10 '16 at 22:37
  • I don't think this question is an exact duplicate of music.stackexchange.com/questions/16248/… but just a concrete application. It would be very useful to answer this as "they are using the harmonic minor scale", check this other link for a detailed explanation. – helios Feb 13 '19 at 6:35