Real subject: Music
Nonsense = report
Correct = Brainliest + Spám heart

Answer:
1.C.Tongali
2.D.Tongatong
3.A.Gimbal
4.D.Tongatong
5.A.Mindanao
6.B.Gangsa
7.B.Kalutang
8.B.Guitar
9.A.Cordillera
10.D.tongatong
Hope it helps!