Dattilam

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Dattilam is an ancient Indian musical text ascribed to the sage (muni) Dattila. It is believed to have been composed shortly after the Natya Shastra of Bharata, and is usually dated between the 1st^[1] and 4th^[2] c. AD.

Written in 244 verses, Dattilam claims to be a synthesis of earlier works on music. The text marks the transition from the sama-gayan (ritual chants as in the Samaveda), to what is known as gandharva music, after the gandharvas, musically adept spirits who are first mentioned in the Mahabharata. Dattilam discusses scales (swara), the base note (sthana), and defines a tonal framework called grama in terms of 22 micro-tonal intervals (sruti) comprising one ocave. It also discusses various arrangements of the notes (murchhana), the permutations and combinations of note-sequences (tanas), and alankara or elaboration.

The melodic structure is categorized into 18 groups called jati, which are the fundamental melodic structures pre-dating the concept of the raga. The names of the jatis reflect regional origins, e.g. andhri, oudichya. (Note that many modern raga names are also after regions - e.g. Khamaj, Kanada, Gauda, Multani, Jaunpuri, etc.). Ten characteristics are mentioned for each jati, which resemble the structuring and elaboration of the contemporary raga in Hindustani music.