tyagaraja kritis

Found an interesting website that desribes each of the gamakas

http://www.geocities.com/promiserani2/gamakas.html

and a website that has audio clips of assorted tyagaraja kritis

http://sai.aros.net/music/tyagaraja-archive/index2.php

By the way I got the Subbulakshmi CD from a website in the US at

http://themahal.com/

which to my surprise has several DVDs of concerts.