The musicality of an instrument being completely dependent on the quantity of water it holds may sound a bit weird, but then it is one basic principle that makes the jalatarangam a distinct presence on India’s cultural map. Arranged almost in the shape of a semicircle before the performer, it forms a set of roughly one-and-a-half dozen porcelain bowls containing that colourless H2O liquid, which is actually a common substance covering 71 per cent of the earth’s surface.