Electronics in St Oswald's

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Across
  1. 1. Long piece of wire
  2. 5. Used to pluck the strings
  3. 7. Number of strings on a Bass Guitar
  4. 8. Electric guitar has six-----?
Down
  1. 2. Short word for an amplifier
  2. 3. Has black and white keys
  3. 4. Play with sticks
  4. 6. You sing into this