You Can't Play Here! Wordsearch

Gregor loves playing his bagpipes. Can you find some more instruments in this wordsearch?

1. Drum
2. Violin
3. Flute
4. Guitar
5. Piano
6. Saxophone
7. Trumpet
8. Recorder
9. Harp
10. Triangle
11. Tambourine
12. Bagpipes

Plus, there's a special mystery instrument hidden in the grey squares...

You can print out the wordsearch to make it easier.