song or phrase?

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Across
  1. 3. italian coffee
  2. 5. often a control to determine if something is creating any effects
  3. 6. materials synthetic or natural used for everyday items
  4. 7. go to move when the nap alarm sounds
Down
  1. 1. old norse mythology who carried the dead soldiers
  2. 2. greek goddess whos patron animal was a dove
  3. 4. prettiest planet that got the ring