Viz a Vie South African music, My Nottingham Clarion Choir sings songs of struggle, protest, peace, environment etc. We have related material from many international sources (I hesitate to call these "world music") The African songs we have recorded are:
Erile
Umkonto We Sizwe
Siyahamba
Ndoda
Senzenina
Hamba Kahle
Mevi
Nkose Sikelele
also unrecorded:
Shosholoza
Shona Malanga
Singabahambayo Thina
Baba Mandela

I dont't think Mudcat is particularly Euro-Centric, I think its bigger than that, and the reason is that Euorpeans & American based migrants have a more developed sence of internationalism than the average American.