Listen to Symphony No. 38 in D Major, K. 504 "Prague": I. Adagio - Allegro online. Symphony No. 38 in D Major, K. 504 "Prague": I. Adagio - Allegro is an English language song and is sung by Mozart Festival Orchestra and Alberto Lizzio. Symphony No. 38 in D Major, K. 504 "Prague": I. Adagio - Allegro, from the album 50 Dark & Haunting Halloween Classics, was released in the year 2015. The duration of the song is 13:48. Download English songs online from JioSaavn.