My mp3 is somewhere between G and G# too.
I'll post it G.
Am in pallavi is interesting since C note does never appears in this song (as far as I know) except in this chord.
(G)Saalaiyoram Solai Ondru (Em)Vaadum Sangeetham (G)Paadum
(G)Kannaalanai (Am)Paarthu (G)Kannorangal (Am)Vaerthu
(G)Paavai Ival Paarthu Vittaal Paalaivanam Ootredukkum
Kannimaigal Thaan Asainthaal Nanthavana Kaatra***kum
(A)Neengal Enai Paarthaal Kuliredu(G)kkum
(A)Manathukkul Aeno Mazhaiyadi(G)kkum
(Em)Paarijaatha (A)Vaa(D)sam (Em)Naeram Paarthu (A)Vee(D)sum
(A)Mottu Kathavai Pattu Vandu(D)gal Thattuginrathey (none)Ippothu..
Stop existing and start living!