Could you clarify if you are looking for a related to these terms so I can help you more accurately?
If Chitra is the voice, then Ilaiyaraaja was the architect of the studio in which she built her Tamil legacy. The 1980s and early 1990s were the "golden hours" of their collaboration. In the dimly lit, atmospheric studios of Chennai, Raaja composed complex scales that demanded a voice capable of agility and depth.