.This is from:-
http://www.sruti.org/library/Thyagaraja/2007/TAS2007.pdf"A Sloka on Tyagaraja - Walajapet Venkataramana Bhagavatar
vyāso naigama carcayā mdugirā valmīka janmā muni
vairāgye śuka eva bhaktiviaye prahlāda eva svayam |
brahmā nārada eva cāpratimayos sāhitya sa!gītayo
yo rāmāmta pāna nirjita śivas ta" tyāgarājam bhaje ||"
Walajapet Venkataramana Bhagavatar ... has composed many Slokas and a Kriti on Tyagaraja. The verse above is part of a set of eight verses (Sri Guru Ashtakam)"On page 4 of the above link, the
meaning of the slokam is also given.
.