Hayk Melikyan made his international concert début at the Concerto di Concerti International Festival of twentieth-century music in Rome in 2000. Since winning second prize at the Premio Valentino Bucchi International Piano Competition of Twentieth Century and Contemporary Music in Rome in 2000, he has included contemporary music as a leading part of his concert programmes, with performances throughout Europe, Asia and the Americas. He is a laureate of many other competitions, such as the Yvar Mikhashoff Trust for New Music (Buffalo, USA, 2012), Samson François and André Boucourechliev Prizes at the Orléans International Piano Competition (France, 2008, 2012), first prize at the Lazar Sarian Composers Competition (Yerevan, Armenia, 2008), special prize at the Ibla Grand Prize Piano Competition (Ragusa, Italy, 1999), among other distinctions. Hayk Melikyan was awarded a gold medal by the Moscow Composers Union for his contribution and promotion of contemporary music in 2012, and in 2013 was awarded the title of Honorary Artist of the Republic of Armenia. He has given premières of numerous works by contemporary composers and a number of pieces have been specially written for him.