"The French label, Harmonia Mundi, organized the release of Dawâr from the percussion masters Djamchid Chemirani (b. 1942, Iran), Bijan Chemirani, and Keyvan Chemirani (b. 1968, France). The father-and-sons trio was established in 1988, and their discography stretches back into the `90s. The most prominent instrument on this recording is the classical Persian drum, the zarb, a wooden, goblet-shaped, single-headed drum about 18 inches tall with typically a goat or camel skin used to create the playing surface ... Through devotion and practice, Djamchid himself became a zarb master and taught his sons, Keyvan and Bijan, the way of the zarb"