It is clear now that our music has been changed. Though we cannot get back the melodies as it was sung by them, we can attempt to reconstruct to understand the raga svarupa.
Though we primarily concentrate on Tyagaraja Svamigal, Sri Muthusvamy Diksitar, and Syama Sastrigal, we also work to get back the lost kritis of the composers who lived anterior to them. Few post Trinity composers are also included.
Here is the YouTube channel:https://www.youtube.com/channel/UCE2gsC ... -obNmSZdnA
We do have a page in Facebook by the name The Lost Melodies.