Plsss i need answer.​

I apologize sincerely if any of these are incorrect. i’m fairly sure of them all except for #6.

1. A rhythm
2. D dimension
3. D interval
4. B progression
5. B register
6. B or C (it should be pitch...)
7. D tenor
8. A soprano
9. C bass
10. C, C major

Italian composer who wrote 39 operas, as well as some sacred music, songs, chamber music and piano pieces.