Answer:
Barrel Vault
Explanation:
The other vaults look different and a barrel vault is the closest one that matches.
IDK for sure but it could be Xylophone?
<h3>Hope this helps :)</h3>
1.FA 13. LA
2.SOL 14.TI
3.MI 15.LA
4.DO 16.FA
5.FA
6.SOL
7.LA
8.SOL
9.FA
10.RE
11.DO
12.SOL