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. Symphony No. 38 in D Major, K. 504 "Prague": I. Adagio - Allegro, from the album The Best of Mozart Vol. X, Symphonies Nos. 35-38, was released in the year 2015. The duration of the song is 13:47. Download English songs online from JioSaavn.