[1] One of the most popular musicians in Sri Lanka, Jayantha rose to prominence with the musical band Siha Shakthi.
In a career spanning for more than five decades, Victor has contributed to the background music for many films as well as composed several memorable tunes.
[15][16] His uncle Somapala Rathnayake was a renowned musician in Sri Lanka, who worked mostly in background music for many Sinhala films and television serials.
At the age of 12 under the guidance of Premakeerthi de Alwis, he created a melody for his father to sing in ‘Aradhana Swara Dehena’ radio program.
Meanwhile, he played Melodica for the two songs, Thani Wennata Mage Lowe and Thuru Lapalu Lathawo in the SA concert.
During this period, he associated with renowned musicians such as Ananda Perera, Anthony Surendra, Sangeeth Wickramasinghe and Jayantha Gallage.
He served as the keyboard player in the Sihashakthi band for many years and made the popular songs Oraire, Nilambare Sudu Paravi, Parasidu Karaliyadda, Sanda Muwawela and Sriya Manamath Vee.
[20] On 7 April 2019, a musical concert was held at the RIT Alles Auditorium, DS Senanayake College to contribute towards medical expenditure for his cancer treatment.