Deshamanya Kala Keerthi Dr.Premasiri Khemadasa (Sinhala: ආචාර්ය ප්රේමසිරි කේමදාස ) (25 January 1937 – 24 October 2008) also known as "Khemadasa Master" was a Sri Lankan music composer. Exploring the various styles of music around the world Khemadasa endeavoured to develop a unique style of music. He combined Sinhala folk tunes, Hindustani music, Western music and many other streams of music in his compositions while adapting them to fit contemporary music.