Listen to Symphony No. 48 in C Major, Hob. I:48 "Maria Theresia": I. Allegro online. Symphony No. 48 in C Major, Hob. I:48 "Maria Theresia": I. Allegro is an English language song and is sung by Vienna Radio Symphony Orchestra and Robert Heger. Symphony No. 48 in C Major, Hob. I:48 "Maria Theresia": I. Allegro, from the album 100 Essential Haydn Classics, was released in the year 2015. The duration of the song is 6:21. Download English songs online from JioSaavn.