 On occasion, it also used the "tom", an mbira-like instrument.Many of Orchestra Ethiopia's performances were theatrical in nature, such as the drama "The Potter", which was arranged by El-Dabh.Following El-Dabh's departure from Ethiopia in 1964, subsequent directors included John G. Coe, an American Peace Corps volunteer (1964–1966); and Tesfaye Lemma (1966-1975), both of whom composed and arranged for the group.