[3] As a teenager, he composed many works based on folk music and legends of his native Malta.
Camilleri's work has been performed throughout the world and his research of folk music and improvisation, the influences of the sounds of Africa and Asia, together with the academic study of European music, helped him create a "universal" style.
According to the Historical Dictionary of Malta, Camilleri is the most internationally recognized of major Maltese composers.
[8] Noospheres (1977) was premiered at Canada House in London on 12 May 1979 by Kyla Greenbaum (Crowcroft) and subsequently recorded by her.
In 2014, the Central Bank of Malta issued a silver €10 and gold €50 coin in Camilleri's honour - and as part of the EUROPA star collector coin series which highlights European culture and events on an annual basis.