Listen to Symphony No. 1 in C Major, Op. 37: I. Allegro molto moderato online. Symphony No. 1 in C Major, Op. 37: I. Allegro molto moderato is an English language song and is sung by WDR Sinfonieorchester Köln. Symphony No. 1 in C Major, Op. 37: I. Allegro molto moderato, from the album Fuchs: Symphonies Nos. 1 & 2, was released in the year 2016. The duration of the song is 11:38. Download English songs online from JioSaavn.