ili - an ancient Tamil term from Silappadigaaram for pancamam (abbreviated yi)

indu - the 1st cakra, with melakartas that contain M1, R1, and G1, comprising melakarta numbers 1-6

iraical - the opposite of isai, it is a Tamil term for sounds that are not beautiful and are disorderly

irangu niral - a Tamil term for avarOha

iraTTai kOvai varisai - another term for janTa varisai

iraTTai kural - another term for taara sa

iravu paNN - in the PaNN system, an evening raaga

isai - a Tamil term for music, a system with beautiful sounds in an orderly fashion which is pleasant to hear