The duo parted in 1965 after release of Ayirathil Oruvan and since then they composed for films individually. After 29 years, they rejoined in 1995 for the Tamil film Engirundho Vanthan starring Sathyaraj.
M. S. Viswanathan began his solo career in 1965. Viswanathan is known for having incorporated various genres of world music into Indian cinema music. He used elements such as humming and whistling in his songs, and blended new trends such as western music and disco with Indian classical tunes. Some of his films as solo music composer include Idhayakani, Gallatta Kalyanam, Chandrodhyam, Kannan En Kadhalan, Dheiva Magan, Nimrundhu Nil, Rickshakaran, Ulagam Sutrum Vaaliban, and Urumai Kural. M. S. Viswanathan also scored music for many non-film albums and for political campaigns.