Best of both worlds

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Across
  1. 3. set of letters with a symphony
  2. 5. entertaining display on screen or stage
  3. 10. signature, specially from a celebrity
  4. 11. strands growing from humans bodies
  5. 14. high degree in temperature
  6. 16. story or event recorded by a camera
  7. 17. something small
  8. 18. sunglasses
  9. 19. something strange or supernatural
Down
  1. 1. Luxurious automobile driven by a chofer
  2. 2. to be aware of something
  3. 4. high-profile performer
  4. 5. institution to educate people
  5. 6. known by many people
  6. 7. relax, chillax
  7. 8. combine or put together
  8. 9. stringed musical instrument usually used in rocks
  9. 12. two people or two things
  10. 13. most excellent and effective
  11. 15. urban area that has a name