The most famous composer from this country wrote a violin concerto for David Oistrakh and a piano concerto for Lev Oborin.
One composer from this country wrote six etudes dedicated to Franz Liszt as well as a "Youth Concerto" for Anton Rubinstein. A composer descended from this country used his innovative "spirit murmur" technique to write the concerto Lousadzak, but is better known for symphonies titled "Exile" and (*) "Mysterious Mountain". The most famous composer from this country wrote a violin concerto for David Oistrakh and a piano concerto for Lev Oborin. That composer also wrote the ballet Spartacus after being accused of formalism for works such as Gayane. For 10 points, name this country of origin of Aram Khachaturian
One composer from this country wrote six etudes dedicated to Franz Liszt as well as a "Youth Concerto" for Anton Rubinstein.
Armenia