He has performed in a number of ensembles with prominent Balkan artists such as Yuri Yunakov.
In collaboration with Lalezar, Armenian-American musician Harold Hagopian spent three years to mix, annotate, and package the four volume series, causing the ensemble to increase their repertoire of pieces by Armenian composers.
Harold Pinter | Harold Wilson | Harold Macmillan | Harold Bloom | Harold Godwinson | Harold Lloyd | Harold Stassen | Harold Prince | J. Harold Ellens | Harold Holt | Sir Harold Hillier Gardens | Harold Washington | Harold Hitz Burton | Harold Alexander, 1st Earl Alexander of Tunis | Harold Peto | Harold & Kumar Go to White Castle | Harold Arlen | Harold | Harold Budd | Harold Eugene Edgerton | Harold Bauer | Harold von Schmidt | Harold Robbins | Harold Laski | Harold Gould | Harold Gillies | Harold Bradley | Harold Alexander | Harold Acton | Harold Scott MacDonald Coxeter |