Guess the topic!

12345678910
Across
  1. 1. A kind of guitar that usually has four strings and that makes low sounds
  2. 4. A musical instrument that you blow into that has three buttons.
  3. 8. Device used to produce musical sounds.
  4. 9. A musical instrument that has usually six strings which are played with your fingers.
  5. 10. A voucher that indicates that one has paid for admission to an event.
Down
  1. 2. A musical instrument that has a curved metal tube and that is played by blowing into.
  2. 3. Something that provides illumination.
  3. 5. A group of musicians organized for playing.
  4. 6. A raised platform where the musician plays.
  5. 7. Group of people who participate in a show.