A thaat, unlike a raga, does not have separate ascending and descending lines. A thaat has no emotional quality (which ragas, by definition, do have) Thaats are not sung but the ragas produced from the thaats are sung.
How is a raga different from a scale?
A scale is just a prescribed set of notes. So long as you use only those notes, you can combine them in any way you want. A raga is a bit more specific. Within the framework of the scale, the ascending and descending scales (aaroh and avroh) are defined separately.
What is a raga scale?
A raga (pronounced RAH-guh) is a collection of pitches, kind of like a scale or mode in Western music. Each raga is defined, however, not only by the pitches themselves, but also by specific formulas for using them.
What is scale Hindustani music?
Similar to Western music, there are 12-semitones in the Indian music scale. The scale can be further divided into 22 notes (shruti), which are notes between the semitones – it is not necessary to know about these notes for the purposes of Indian Takeaway – Rāg and Tāl Basics.