string music instruments

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Across
  1. 3. it is a piano without pedals
  2. 6. it is played in church
  3. 7. it is a small guitar
  4. 9. it is the smallest of the category
  5. 11. it is like a guitar but lower in pitch
  6. 12. it is a little bigger than the violin
  7. 13. it is the biggest instrument in the string instruments
Down
  1. 1. it has 20 frets
  2. 2. it is a chinese violin
  3. 4. it is bigger than the cello
  4. 5. it is a string instrument with 47 strings and 7 pedals
  5. 8. it has a lot of keys
  6. 10. it is 2 octaves bellow the violin