Zimbabweanmusic includes folk and pop styles. Much of it is based on the mbira[?], a traditional instrument from the Zezuru[?]Shona[?]. It has 22-28 metal keys on a soundboard, usually placed in a large gourd resonator.
... repeated solution x, and this solution is real. (Geometrically, this means that the parabola described by the quadratic equation touches the x-axis in a single point.)
If ...