Original sentence: )and other works.E work known as Centhan Thivakaram and the relationship to letter notation sa, ri, ga, etc.In summary, this verse says that the names of seven musical swaras are kural, thutham, kaikkilai, uzai, iLi, viLari, thaaram and their letters are sa, ri, ga, ma, pa, da, ni.It is given below with meaning provided after the quote:.Muthu Thandavar (1525-1625), Arunachala Kavi(1712-1779) and Marimuttha Pillai(1717-1787) are referred to as Adi Trinity or Tamil Trinity.Muthu Thandavar was an early architect of the Carnatic Kriti format, which is in vogue today.Rishabha thutham.Shadja kuralThe terms of solfege, kural, thutham etc.The terms kural, thutham, kaikkiLai, uzhai etc.These names are listed in Silapathikaram (200-400 C.and authored some of the earliest composition in Carnatic music.and the set sa, ri, ga set is known from Narada Parivajaka Upanishad of unknown date.are described in a verse from the 8th century C.were known from pre-200 C.இளியே விளரி தாரம் என்றிவை  iLiye viLari thaaram enRivai.எழுவகை இசைக்கும் எய்தும் பெயரே  ezuvakai icaikkum eythum peyare.ஏழும் அவற்றின் எழுத்தே யாகும்  Ezum avaRrin ezutthe yaakum.குரலே துத்தம் கைக்கிளை உழையே  kurale thutham kaikkilai uzaiye.சவ்வும் ரிவ்வும் கவ்வும் மவ்வும்  savvum rivvum kavvum mavvum.பவ்வும் தவ்வும் நிவ்வும் என்றிவை  pavvum thavvum nivvum enRivai