: Vowels should be pure, similar to Latin. Specific Zulu phonetics, like the "qh" click (made by releasing the tongue sharply from the roof of the mouth), are essential for authenticity.
: No instruments should accompany the work; it is meant to be purely vocal. Mangisondele Nkosi Yam
: The soloists represent "the people" leading a congregation in prayer and have the freedom to ad lib during specific sections. : Vowels should be pure, similar to Latin
For further study, GIA Publications and J.W. Pepper provide sheet music and choral arrangements for various choir voicings (SATB, TTBB, SSAA). Mangisondele Nkosi Yam Choral Sheet Music | J.W. Pepper : Vowels should be pure
According to Santa Barbara Music Publishing , several elements are key to an authentic rendition: