AUDIO: Ghanaian Rapper M.anifest

Ghanaian rapper M.anifest uses his lyrics to challenge and delight. He cut his musical teeth in Minnesota in the US, where he was a student, but he's now back in Ghana. The rapper is also the grandson of Professor JH Nketia, one of Africa's foremost ethnomusicologists. The BBC's Rita Ray caught up with M.anifest and asked him first about his song Debi Debi.