text: Alexander Arutunianâ s Trumpet Concerto in A-flat major ( 1950 ) , also known as the Arutunian Trumpet Concerto , is the Armenian composerâ s sixth major composition , a `` virtuoso showpiece '' composed in 1949-1950 .
simplified: Arutunian Trumpet Concerto is Armenian composer Alexander Arutunianâ s sixth major composition .