I use this instrument in the Orff instrumentarium and have no previous knowledge of it so my review is obviously of limited interest.
Excellent make. It was not tuned when it arrived and the key had disappeared between layers of the packaging box, so I had a moment of dismay. Tuning seemed endless... But ultimately the tones were most pleasing, sharply contrasted, so ideal for much more interesting ostinati than with just one drum/ tambourine. So don't give up tuning: the skin does not break.