That was just a little icebreaker!

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Across
  1. 2. Telemannster #2
  2. 5. Soccer fan #2?
  3. 7. Ist hier ____
  4. 8. Soccer fan #1?
  5. 9. Violinist from the moon
  6. 10. Let's go!!!
  7. 13. Telemannster #4
  8. 16. Sibling who sometimes waltzes?
Down
  1. 1. Telemannster #3
  2. 3. Waltzing eternally?
  3. 4. Violist, prefers not to their disclose their planet of origin
  4. 6. Sibling who sometimes waltzes?
  5. 11. Passera quartet cellist
  6. 12. Telemannster #1
  7. 14. Passera quartet violist
  8. 15. Cellist with 7 consonants in their last name!
  9. 17. "Are you listening...? No...!"