Concept:
Unlike the right head of the Pakhawaj or the modern Tabla Dayan, which feature a permanent black iron-oxide tuning paste application (*Syahi*), the left bass head (*Bayan*) of a Pakhawaj requires a fresh application of a damp paste before every performance to lower its pitch and produce a deep, resonant bass tone.
Step 1: Understand the purpose of the application.
The left side of the Pakhawaj has a wide leather head that produces a high pitch when left dry. Applying a moist dough adds weight to the center of the membrane, reducing its vibration frequency and creating the characteristic deep, booming bass sound.
Step 2: Identify the traditional material used.
Musicians knead fresh Wheat flour (Gehun ka Atta) with water to create a soft, doughy paste. This paste is carefully applied to the center of the left drum head before a concert and scraped off immediately afterward to protect the leather skin from moisture.