The music that Thandiswa Mazwai is making right now, invoking the spirits of Miriam Makeba & Busi Mhlongo & Abbey Lincoln is some of the most important new music anywhere. She chooses to sing songs that say something of the world we live in, songs whose lyrics are charged with urgency, be they about love, about social justice or simply about the fragile humans. When she sings her love songs, there’s a range of emotion that is sorely missing in so many of the sentimental songs