Learn the Bhadrachala Ramdas keertana, Rara na vennamudda, taught by Malladi Ravikumar.
The notation can be found here
Learn Annamacharya’s composition in Raga Bowli, Shreemannarayana , taught by Sangita Kalanidhi Shri Chitravina N Ravikiran. Notation provided in Perfecting Carnatic Music Level 2 e-book....