sentences:  He had performed all over India and abroad and had been accompanied by vidwans like Mysore T. Chowdiah, Kumbakonam Rajamanickam Pillai, Palghat Mani Iyer, Nagercoil Ganesa iyer and Palani Subramaniam Pillai.Rangarajan had performed at Saint Tyagaraja music festival at Thiruvaiyaru for the past sixty years without a gap.He is the only musician who has sung in AIR Chennai since its inception without repeating a single song.