^^^
I have been off MB since June, but visited today. Seems like the West Africa thread still gets some views even though posts are infrequent. I looked up the artists you mention, thanks for info on the gyil.
I especially like Aaron Bebe Sukura; here is a link:
http://www.youtube.com/watch?v=OAqmo9ovaSQ
Woma and Ameyaw have plenty of tracks on last fm.
Good luck with the djembe and gyil.