"If you can read music, thank Guido d'Arezzo": HTML5 Crossword

Across

1. Guido wrote down the very first notes of a song, but he got the words from a (4)
3. Sol comes from the Latin word (5)
4. La comes from the Latin word (5)
5. Guido sang in the church (5)
7. Guido left Arezzo to live with the monks in (7)
9. The first people to learn how to read notes of music (8)
10. Music notes were not written down, only the ___________ of a song (5)
13. Guido was from the city of (6)
15. Guido was from the country of (5)

Down

2. Guido was determined to create a system of reading and writing (5)
6. Re comes from the Latin word (8)
8. Guido was educated by the (6)
11. Fa comes from the Latin word (6)
12. Guido's music staff originally had _________ lines (4)
14. Mi comes from the Latin word (4)