Listen to Symphony No. 88 in G Major, Hob. I:88 "Letter": I. Adagio-Allegro online. Symphony No. 88 in G Major, Hob. I:88 "Letter": I. Adagio-Allegro is an English language song and is sung by Vienna Radio Symphony Orchestra and Robert Heger. Symphony No. 88 in G Major, Hob. I:88 "Letter": I. Adagio-Allegro, from the album 100 Essential Haydn Classics, was released in the year 2015. The duration of the song is 5:24. Download English songs online from JioSaavn.