In 1925 he joined the Rjal Theatre Orchestra as a Clarinist, along that time he played under different musical master directors.
Edgar Lowell was also educated in harmony for three years under Master Gużeppi Stivala and Carmelo Pace. In 1938 he was assigned as assistant bandmaster of the Soċieta Filarmonica Nazionale La Valette. At La Valette He was also the bandmaster of students, He remained in this posts till 1976. Between 1968 and 1970 Edgar Lowell served as agent bandmaster for the National Band.
In 1952 Edgar Lowell was appointed bandmaster for Għaqda Banda Żejtun, where he composed numerous funereal marches and also festive marches. Besides this he brought huge interest for opera music that dominated through the musical concerts held on Żejtun local feast eve. Edgar Lowell terminated his post as bandmaster with Banda Żejtun in 1976.