What do the songs “Sardarabad” and “Erevan-Erebuni” have in common? Both of them were written on the same year, 1968, by the same poet, Paruyr Sevak, and musicalized by the same composer, Edgar Hovhannisian.  He was born on January 14, 1930, in Yerevan. He finished the Komitas State Conservatory of Yerevan in 1953 and then pursued post-graduate work at the Moscow…