The 'g' sound

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Across
  1. 1. Added to flour to make cakes
  2. 3. Extremely tired
  3. 4. A large dog will protect your house
  4. 5. The sighting of a dead person
  5. 7. A hard transparent material
  6. 8. A visitor to your home
Down
  1. 2. A stringed instruemnt
  2. 4. A performance by a live band
  3. 6. Wrapped up in a cosy blanket
  4. 8. This holds us to the earth