Who is likely to have represented and advanced Armenian music more, Art Laboe or Konstantin Orbelyan?
Konstantin Orbelyan: Konstantin Aghaparoni Orbelyan (Armenian: Կոնստանտին Աղապարոնի Օրբելյան ; Russian: Константин Агапаронович Орбелян , July 29, 1928 – April 24, 2014) was an Armenian pianist, composer, head of the State Estrada Orchestra of Armenia.
i don't know