Here are the lyrics for the song, courtesy Uma

Aara Amudhay Arasay Ananda Vella Thenaray Mona Perkkay Paraparamay

Ethikkum kayagi en idhaya thenoori thithikkum ananda thenay
paraparamay

Anbai perukki ena dhaaruyirai kakka vandha inbha perukkay iraiyay paraparamay

Paarayo endhan mugham parthorukkal en kavalai theerayao vai thirandhu cheppay paraparamay

Oyadho en kavalai ullay anadha vellam payadho iyya padharay
paraparamay

Ennadha ennamellam enni enni yezhai nenjam punnaga seydhadhini podhum paraparamay

Endhendha nalum unnai piriyadhu ennuyirai sindhai kudi konda arul thenay paraparamay

Anbar pani seyya ennai allakki vittu vittai Inba nilai thanay vandeidhum paraparamay.


And it is definitely by Thayumanavar Swamy only.

Here is the link to a complete translation in English of all his 1400 verses...I thought I posted this, but for some reason, it is missing!

http://www.mountainman.com.au/thayumanavar/bigindex.htm