"Wimbo wa Taifa"

Translation: National Anthem

[LazyEinstein]

I put "National Song". Would that not work also?

[smauG566]

What is the plural of wimbo?

[Catriona28475]

nyimbo is the plural.
It belongs to the strange noun class 11/10 (singular/plural) pairing, which includes

• uso (face) / nyuso (faces)
• ukuta (wall) / kuta (walls)

Take a look at this 2Seeds lesson on noun classes:
https://2seedsswahili.wordpress.com/2013/05/27/swahili-unit-4/