As defined by the IAST, Thaats are heptatonic scales; they are also known as frets on stringed instruments, like the sitar and veena. Bilawal thaat is a mode of the Hindustani music. Bilawal Thaat is the most popular thaat in Pakistani classical music too. It’s also one of the most commonly used thaats in Indian classical music and Western Classical music. Bilawal Thaat is a raga in the Guru Granth Sahib, the primary scripture of Sikhism. The Bilawal thaat can be played using either Shuddh Vadi, i.e., natural note or Shadav, i.e., flat fifth tone in the lower octave and Madhyam in the upper octave.
