You can download mbira score and sound source of a song called Chemutengure.
Sound source is for nyamaropa(nhemamusasa) B♭ tuning mbira.
Things which included in this download.
1 mbira score(PDF) – you can learn chemutengure song Part1,Part2 and Part3 with this score.
2 song Part1.mp3 – sound source
3 song Part2.mp3 – sound source
4 song Part3.mp3 – sound source