Derwenter - Cryptic

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Across
  1. 4. Hosts a festival that shakes it up - rocked I go! (9)
  2. 5. Stop, then try to fly without one: though it's really all change after. (8)
  3. 7. Aluminium, copper all come right to an inch (6)
  4. 9. It takes two for the Last Tango, and it should bank, partly on old-fashioned communication. (7)
  5. 10. Like gone, that's what it is (9)
  6. 11. Germany takes past go? (7)
Down
  1. 1. Of Dutch before Brazil, then some disgust! (8)
  2. 2. District Attorney puts on video, in part, of human rights lawyer (5,4)
  3. 3. Take it from the top? Or the knave comes before unspun all same (5)
  4. 6. Initially a top celebrity, she follows north-north-east. (4,6)
  5. 8. Keep it all the same, perhaps elementary. (10)