[2] Terterian composed eight (completed) symphonies, several of which are recorded, an opera and several chamber works.
[3] Terterian was a friend and colleague of Giya Kancheli, Konstantin Orbelyan, and Tigran Mansurian.
Dmitri Shostakovich praised Terterian as "very talented" and "with great future" in one of his letters, published by his friend Isaak Glikman, having heard a recording of Terterian's works at Armenia's "House of Composers" summer resort in Dilijan, Armenia.
[4] In 1989, he moved to the village of Ayrivank, located on the western shore of Lake Sevan, Gegharkunik region of Armenia.
[3] Giya Kancheli's work Styx, written for solo viola, chorus, and orchestra is a farewell to his friends Terterian and Alfred Schnittke, whose names are sung by the choir during the work.