Hayko was trained in music at a music school after T.Chukadjyan, and then went on with a music college after Romanos Melikyan. He attended the Yerevan State Conservatoire after Komitas.
In 1996 he participated in the "Moskva 96" ("Moscow 96") festival and was awarded with the 1st prize.
In 1997 Hayko won the 1st prize at the "Big Apple" festival in New York, USA.
In 1998 he was acknowledged as "The Best Author - Performer" at the "Ayo" Author's Competition.
In 1999 he was nominated for "The Best Singer" award.
In 1999 Hayko recorded his first CD called "Romances" which represented the well-known Armenian "city" songs with a completely new and fresh interpretation.
In 2002 he was nominated in different categories at the “Armenian National Music Awards” (The Best Singer, The Best Project and The Best Album) and this year became exceptional in his career. He won in all three nominations.
In 2003 he got an Award at the “Armenian National Music Awards” for “The best DVD”.
In 2003 he gave his first solo concert at the "Alex Theatre" in the USA.
Later on May 27, he gave a solo performance in Yerevan and recorded a DVD called "Live Concert"
In 2003 he recorded his first author’s CD called "Norits" ("Again").
Hayko is recognized as the Best Singer 2003 and 2006 at the Armenian National Music Awards.