Rohit Gautam

What is "Thaat"? A group of seven notes which is capable of producing raag is known as Thaat. 10 Thaats of northern hindustani classical music or 10 Thaats of V.N. Bhatkhande:-  1. Bilawal Thaat :- This thaat comprises of all shudh swaras i.e sa Re Ga Ma Pa Dha Ni . 2. Kalyan Thaat :-   This thaat comprises of six shudh swaras and one teevra vikrit swar i.e  teevra  "MA".                                 sa Re Ga MA Pa Dha Ni  3.Khamaj Thaat :-  This thaat comprises of six shudh swaras and one komal vikrit swar i.e komal "ni".                                  sa Re Ga Ma Pa Dha ni  4.Kaafi Thaat  :- This thaat comprises of five shudh swaras and two komal vikrit  swaras i.e komal "ga", "ni".                             sa Re ga Ma Pa Dha ni  5.Bhairav Thaat :- This thaat comprises of five shudh swaras and two komal vikrit swaras i.e komal re and dha .                              sa re Ga Ma Pa dha Ni 6.Marwa Thaat :-This thaat comprises of five shudh swaras and two  vikrit swaras i.e komal re and teevra MA.                              sa re Ga MA Pa Dha Ni  7.Poorvi Thaat :- This thaat comprises of four shudh swaras and three vikrit swaras i.e komal re, dha and teevra Ma                            sa re Ga MA Pa dha Ni 8.Asawari Thaat :- This thaat comprises of four shudh swaras and three komal vikrit swaras i.e ga, dha and ni.                               sa Re ga Ma Pa dha ni 9.Bhairavi Thaat :- This thaat comprises of three shudh swaras and four komal vikrit swaras i.e re, ga, dha and ni.                                sa re ga Ma Pa dha ni  10. Todi Thaat :- This thaat comprises of three shudh swaras and four komal vikrit swaras i.e re ga dha and teevra MA.                            sa re ga MA Pa dha Ni    Characteristics of Thaat:-  1.Thaat must consist of atleast seven notes. 2. Position of notes in a thaat must be in a sequential manner i.e sa re ga ma respectively. 3. Two forms of a note (Shudh & komal) in a thaat can't be taken together. 4. A single thaat is capable of producing many ragas.   *** Terms to be remembered:-  Saptak:-  Saptak is formed when seven shudh and five vikrit swaras come together in a sequential manner. Shudh swaras :- Basic seven notes of hindustani classical music i.e sa re ga ma pa dha ni. Vikrit swaras :- Swaras, which can slip up and down from their location is calles as vikrit swaras. Northern hindustani classical music has two types of vikrit swaras - 1. Komal vikrit swaras :- Swaras, which slip down from their location are called komal vikrit swaras. Northern hindustani classical music has four komal vikrit swaras i.e re,  ga, dha, ni. 2. Teevra vikrit swaras :- Northern hindustani classical music has only one teevra vikrit swar i.e MA, it is called as teevra vikrit swar because it slip upwars from its location.