[3] He studied first at the Romanos Melikian Music School under the Armenian composer Edvard Baghdasaryan and later at the Yerevan Komitas State Conservatory.

An ECM album of Mansurian's music, Monodia, was nominated for the 2004 Grammy Award for "Best Instrumental Soloist(s) Performance (with Orchestra)" and "Best Classical Contemporary Composition".

[7] The Requiem received the Presidential Award of Armenia for its commemoration of the victims of the Armenian Genocide.

[9] Mansurian's compositions range from large scale orchestral works to individual art songs.

[10] In 2017, a recording of Mansurian's Requiem, dedicated to the victims of the Armenian Genocide, was released by ECM.