<P> A playback singer is a singer whose singing is pre-recorded for use in movies . Playback singers record songs for soundtracks, and actors or actresses lip - sync the songs for cameras; the actual singer does not appear on the screen . </P> <P> South Asian movies produced in the Indian subcontinent are particularly known for using this technique . A majority of Indian movies as well as Pakistani movies typically include six or seven songs . After Alam Ara (1931), the first Indian talkie film, for many years singers made dual recordings for a film, one during the shoot, and later in the recording studio, until 1952 or 1953 . Popular playback singers in India enjoy the same status as popular actors, and music directors . also receive wide public admiration . Most of the playback singers are initially trained in classical music, but they later often expand their range . </P> <P> Mohammed Rafi and Ahmed Rushdi are regarded as two of the most influential playback singers in South Asia . The sisters Lata Mangeshkar and Asha Bhosle, who have mainly worked in Hindi films, are often referred to as two of the best - known and most prolific playback singers in India . In 2011, Guinness officially acknowledged Lata Mangeshkar's sister Asha Bhosle as the most recorded artist in music history . </P> <P> Popular Indian singers include Lata Mangeshkar, Mohammed Rafi, Ghantasala Venkateswara Rao, Asha Bhosle, Bhupen Hazarika, K.J. Yesudas, Dr. Rajkumar, Mukesh, Kishore Kumar, Manna Dey, Hemant Kumar, Mahendra Kapoor, Talat Mahmood, Shamshad Begum, Suraiya, Mubarak Begum, Sandhya Mukherjee, Geeta Dutt, Anuradha Paudwal, Amit Kumar, S.P. Balasubrahmanyam, K.S. Chithra, S. Janaki, Vani Jayaram, P. Leela, Swarnalatha, Shreya Ghoshal, Alka Yagnik, Kavita Krishnamurthy, Sadhana Sargam, Mano, Sujatha Mohan, Sunidhi Chauhan, Aditi Singh Sharma, Anuradha Sriram, Harini, Udit Narayan, Kumar Sanu, Abhijeet Bhattacharya, Arijit Singh, Jubin Nautiyal, Palak Muchhal, Armaan Malik, Jonita Gandhi, Nakash Aziz, Neeti Mohan, Sonu Nigam, Neha Kakkar, Mohit Chauhan, Shaan, KK, Himesh Reshammiya, Nitin Mukesh, Mika Singh, Rajesh Krishnan, Rekha Bhardwaj, Shweta Subram, Shweta Mohan, Zubeen Garg, Vijay Prakash, Rajesh Krishnan, Shankar Mahadevan . </P>

Who has sung the most songs in the world