M. G. Radhakrishnan is a senior music director in the South Indian film and music industries. He is a disciple of Sree Vidyadhiraja Hridayanjali, an Indian ascetic, and has composed music for ascetic\s lyrics, which was sung by his sister Dr. K Omanakutty, a Carnatic vocalist. He has also composed the poems of Kamala Das (also known as Kamala Suraiya), a famous Indian writer. Radhakrishnan introduced K. S. Chithra, a famous singer and a student of Omanakutty, to the film and music industry by employing her in the film Attahaasam. His brother M. G. Sreekumar is an Indian playback singer in Malayalam and Tamil cinema.