Stop what you're doing, and listen to this. If you aren't emotionally moved by the time you're 3 minutes in, then you are made of stone.
This is a choir I will be following closely.
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Tuks Camerata - Indodana (Traditional IsiXhosa Arr. Michael Barrett and Ralf Schmitt)
https://www.youtube.com/watch?v=V0_JCw9cvFw
@voltronic If you haven't already stumbled across it, you might want to check out "Missa Luba".