Raga (rāg /राग (Hindi), raga (Anglicised from rāgaḥ/रागः (Sanskrit)) or rāgam /ராகம் (Tamil)) are the melodic modes used in Indian classical music. "Raag" is the modern Hindi pronunciation used by Hindustani musicians; "Ragam" the Tamil form used by Karnatak Carnatic music musicians.
A raga functions both as description and prescription. It describes a generalized form of melodic practice; it prescribes a set of rules for how to build a melody. It specifies rules for move ...