'''Symphony No. 1 in D major''' (Op. 25) in 1916, but wrote most of it in 1917, finishing work on September 10.Steinberg, Michael. "The Symphony: a listeners guide". p. 429-433. Oxford University Press, 1995. It is written in loose imitation of the style of Haydn (and to a lesser extent, Mozart), and is widely known as the '''''Classical'' Symphony''', a name given to it by the composer. It premiered on April 21, 1918 in Petrograd, conducted by Prokofiev himself, and has become one of his most popular and beloved works.