music cryptic

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Across
  1. 1. Nationality and a cruel king's prelude to Tahi
  2. 3. Moving quickly, smudge, British quartet
  3. 6. DRJ became it, Thomas blamed it; yet The King knew his time had come
  4. 7. Bluehair's second, Bear's fourth, one is ape-like, one fathers North
Down
  1. 2. The flourgrinder's namesake aquatically orbits as thus
  2. 4. Colored two sides, opposed by house music
  3. 5. Accessing both ears, a scientific building