Listen to Symphony No. 3 in E-Flat Major, Op. 20 "First of May": IV. Moderato online. Symphony No. 3 in E-Flat Major, Op. 20 "First of May": IV. Moderato is a Russian language song and is sung by Alexander Yurlov Russian State Academic Choir, Kirill Kondrashin and Moscow Philharmonic Orchestra. Symphony No. 3 in E-Flat Major, Op. 20 "First of May": IV. Moderato, from the album Shostakovich: Symphony No. 3, was released in the year 1972. The duration of the song is 4:25. Download Russian songs online from JioSaavn.