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

Across

3. Guido sang in the church (5)
5. Mi comes from the Latin word (4)
7. Guido left Arezzo to live with the monks in (7)
8. Guido was determined to create a system of reading and writing (5)
11. Fa comes from the Latin word (6)
12. The first people to learn how to read notes of music (8)
14. La comes from the Latin word (5)

Down

1. Sol comes from the Latin word (5)
2. Guido was from the city of (6)
4. Guido wrote down the very first notes of a song, but he got the words from a (4)
6. Re comes from the Latin word (8)
9. Guido was educated by the (6)
10. Music notes were not written down, only the ___________ of a song (5)
11. Guido's music staff originally had _________ lines (4)
13. Guido was from the country of (5)