A crossword to keep you busy while we wait for the next batch of friday five!

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Across
  1. 5. Elementary particle of light
  2. 7. Electronic instrument played without physical contact
  3. 8. Award given by the Recording Academy for musical achievement
  4. 9. Supposed transmission of thoughts without speech
  5. 10. Scholar who bargains his soul in a classic Marlowe tragedy
  6. 12. Board used to supposedly communicate with spirits
  7. 16. Supernatural appearance of a figure or ghost
  8. 17. Extremely luminous active galactic nucleus powered by a supermassive black hole
  9. 19. Solo vocal piece typically found in an opera
  10. 20. Particle associated with force fields, e.g., Higgs
  11. 22. Brief appearance by a celebrity in a film or TV show
  12. 23. Slow, heavy subgenre of metal with dark, melancholic themes
  13. 25. Tragic protagonist of F. Scott Fitzgerald’s Jazz Age novel
  14. 26. Noble gas famously linked to Superman’s home planet
  15. 28. Ghostly substance said to exude from a medium during a séance
  16. 29. Tone produced when a string vibrates in fractional segments
  17. 34. Noisy spirit said to cause disturbances
Down
  1. 1. Mythical creature said to attack livestock in the Americas
  2. 2. Historic Malian city, once a center of Islamic scholarship
  3. 3. Multi-movement work for a solo instrument or small ensemble
  4. 4. Polyphonic composition where a theme is introduced and developed
  5. 6. 1066 battle marking the Norman conquest of England
  6. 11. South American country known for mate tea and gaucho culture
  7. 13. Landlocked microstate nestled between France and Spain
  8. 14. Large ape-like cryptid of North American folklore
  9. 15. Indian string instrument used in Hindustani classical music
  10. 18. Hypothetical substance accounting for missing mass in the universe
  11. 20. Test measuring female representation in fiction
  12. 21. Legendary British band that revolutionized popular music
  13. 24. James Joyce novel set over the course of a single day in Dublin
  14. 26. Korean popular music genre with global fandom
  15. 27. Atoms of the same element with different numbers of neutrons
  16. 30. Spanish naval fleet defeated by England in 1588
  17. 31. Winged cryptid reportedly sighted in Point Pleasant, West Virginia
  18. 32. Interstellar cloud of dust and gas, birthplace of stars
  19. 33. Cultural idea or joke spread online in image or video form