[9][10] In 1963, he left Haywood college of music (presently known as University of the Visual and Performing Arts), where he was studying at that time, to follow a degree course in India.

In late 1960, Kapuge joined the Sri Lanka Broadcasting Corporation and in 1969, he worked as an operational assistant and in 1975 started out as a program producer.

[5] Kapuge's initial release was titled "Daesa Nilupul Thema" in 1973, which he sung for a cultural program was aired on SLBC.

He was invited to an international youth conference in Havana, Cuba, applied for a leave of absence from the Sri Lanka Broadcasting Corporation, but his request was rejected for political reasons.

On his return to Sri Lanka after attending the summit, the SLBC officials delivered a letter to Kapuge at the Bandaranaike International Airport stating that he has left the service.

Although he was re-employed with the intervention of the then Chairman of the SLBC, Eman Kariyakarawana, Kapuge was transferred to the Rajarata Service of the Sri Lanka Broadcasting Corporation.

[13][16] Meanwhile, in 1980, Kapuge released his first music compact cassette titled "Dhampatin Laa Sandha" featuring Malani Bulathsinhala.

Meanwhile, he made vocals and provided his first theater background music for Sugathapala de Silva's play Thuranga Sanniya.

Later he involved with many popular stage plays, such as: Paraputuwo, Nandi Visala, Tharavo Igilethi, Sira Kandawuru and Sath Saha Satha.

[15] On returning from a tour at Dubai, United Arab Emirates, Kapuge had a fall at the Bandaranaike International Airport whilst disembarking from a shuttle bus.