Listen to Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": I. Allegro online. Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": I. Allegro is an English language song and is sung by Sir Neville Marriner and Academy Of St Martin In The Fields. Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": I. Allegro, from the album Essential Strings, was released in the year 2011. The duration of the song is 5:53. Download English songs online from JioSaavn.