Born in Yerevan. In 1961 E. Aristakesyan graduated from the Yerevan Komitas State Conservatory, in the class of Grigor Yeghiazaryan, and in 1964 completed postgraduate studies. In 1957-64 he taught at the A. Gabrielyan Music School in Yerevan, and from 1957 at the Khachatur Abovyan State Pedagogical Institute in Yerevan. In 1973-86 he was secretary of the Union of Composers of Armenia, and from 1974 of the Union of Composers of the USSR. He wrote 5 symphonies, 3 sinfoniettas, other symphonic works, poems, cantatas, chamber and choral works, children's music, chamber music and other works. In 1977 Emin Aristakesyan was awarded the title of Honored Art Worker of Armenia, and in 1986 the Order of the Badge of Honour. He died in Yerevan.