42.

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Across
  1. 2. Singer needs new couch
  2. 5. A cappella singer's need
  3. 8. Singers need pieces of 15 to cover live Adele hit?
  4. 10. Singer needs wine to get going
Down
  1. 1. Karaoke singer's need, for short
  2. 3. Singer needs help to enter city
  3. 4. Karaoke singer's need
  4. 6. Singers need a number of sheets to sing from
  5. 7. Singer needs one in support
  6. 9. Southern pop singer needs backing of Australian movement