Vaidyanathan made a special appearance in the 2005 Tamil movie Anniyan directed by Shankar, on the Tyagaraja Aradhana festival sequence for the song Iyengaaru Veetu which is a recreation of the real festival.
He has accompanied eminent artists over five generations, including Harikesanallur Muthiah Bhagavatar, Ariyakudi Ramanuja Iyengar, Chembai Vaidhyanatha Bagavathar, Semmangudi Srinivasa Iyer, M. S. Subbulakshmi, Madurai Somasundaram, D. K. Jayaraman, M. Balamuralikrishna, Kunnakudi Vaidyanathan, Lalgudi Jayaraman, T. V. Sankaranarayanan, Mandolin U. Srinivas and others.