The Tombak, also referred to as Zarb, is a wooden goblet drum, which is the most frequently played percussion instrument in Persian folk music and the classical Persian music of Iran.
In addition, the Tombak of Majid Drums is tunable. An air hose system can be used to change the tension of the skins with a standard bicycle air pump.
This form of tuning is both fast and balanced as the air hose directly and evenly spreads the tension to the skin. Heating or moistening of the skin is no longer necessary. This means that the problem of changing the mood with changing air humidity or heat stress is a thing of the past.