Vahagn Hayrapetyan was born in Yerevan, Armenia on August 30, 1968. He graduated from the music school after P.I. Tchaikovsky and Yerevan State Conservatory as pianist and composer. Vahagn's exceptional manner of playing has envolved for years - carried away with jazz in his early years, he learnt from such jazz be-bop legends as Barry Harris and Frank Hewitt in New York and worked and shared stages with many legendary jazz musicans, such as Elvin Jones, Jimmie Lovelace, Charles Davis, Leroy Williams, Ari Ronald, Zaid Nasser, Chris Byears, Yaala Baalin, Keith Baala, Jason and Delfeo Marsalis and many more.
He recorded and released three albums in NEW ORLEANS - ”''Love for Sale''” with Clarence Johnson III, ''Trip to New Orleans''” with Johnny Vidakovich and Ed Wise and “''Bop it up''” with Wendell Brunious, Brice Winston, Bill Huntington and Jason Marsalis.
Vahagn participated in many International Jazz Festivals such as Jazz Jamboree, St. Petersburg International Jazz Festival, Moscow vocal International Jazz Festival (in 1997, 1998 and 1999, accordingly), New Orleans Jazz Fest
du Maurier, Montreal Jazz Festival etc. Since 1998 pianist and keyboard player of world famous ARMENIAN NAVY BAND. In he 2004 organized his own band “Katuner”("Cats"). Vahagn gave a lot of concerts all around the world both as a solo performer and together with different bands, performing with many prominent jazz musicians. Since 2008 Vahagn is the Honored Artist of Armenia.

In 2010 Vahagn Hayrapetyan recorded his first solo album “Singin'’
and Swingin', “''Strike up the band'' with his “NEW YORK - YEREVAN jazz quartet/quintet, including Ari Roland (acc. Bass), Keith Baala (drums), Zaid Nasser (alto saxophone) and Yaala Baalin (vocals), all leading N.Y. jazz musicians. The band gave concerts in Armenia, Russia, NY, San Francisco, Boston, Cyprus, playing their own arrangements of Armenian evergreens of 40's-70's as well as traditional jazz standards of 40's and 50's. Since 1980's he is the leader of his JAZZ TRIO AND QUARTET in Yerevan, performing in local and international music clubs and concert halls.
Vahagn Hayrapetyan often appears in Moscow jazz clubs and plays with the leading Russian jazz musicians such as Igor and Oleg Butman, Sergey Golovnya, Yakov Okun, Sergey Vasilyev, Pavel Temofeev, Peter Vostokov and others. He is a regular and most welcome guest in one of his most favorite Moscow jazz club ''Esse''. The musician often performs around the Russia together with one of the Russia's leading jazz pianist Daniil Kramer with whom he released the first duo album ''Live in Yekaterinburg'' in 2013.
Besides his career as a jazz piano player, Vahagn has been teaching jazz in Yerevan, Syria, Iran, Lebanon and Jordan. He performs with Ari Rolland, one of the greatest bassist in the world. His band also performed within yearly Jazz futures program, organized by US embassy in Cyprus.
Vahagn is the author of the sound tracks for such movies as“''Bounded Parallels'',“''If Only Everyone''” and“''Shor and Shor Shor''. For the music in "If Only Everyone" Vahagn won the award of Beijing International Movie Festival. Vahagn's exquisite sound and outstanding performances always give the audience unforgettable pleasure and make him one of the most popular jazz piano players in Armenia.