sentences:  The melodic structure of his songs demand considerable vocal virtuosity, and have found expressive platform amongst some of India's respected vocalists and playback singers, such as T. M. Soundararajan, P. Susheela, M. G. Sreekumar, S. Janaki, K. J. Yesudas, S. P. Balasubrahmanyam, Rajkumar, Asha Bhosle, Lata Mangeshkar, Jayachandran, Uma Ramanan, S. P. Sailaja, Jency, Swarnalatha, K. S. Chithra, Minmini, Sujatha, Malaysia Vasudevan, Kavita Krishnamurthy, Hariharan, Udit Narayan, Sadhana Sargam and Shreya Ghoshal.Ilaiyaraaja has sung more than 400 of his own compositions for films, and is recognisable by his stark, deep voice.He has penned the lyrics for some of his songs in Tamil.