Listen to Horn Concerto No. 1 in D Major, K. 412: I. Allegro - 1 online. Horn Concerto No. 1 in D Major, K. 412: I. Allegro - 1 is an English language song and is sung by Camerata Schulz, Emanuel Schulz and Stefan Dohr. Horn Concerto No. 1 in D Major, K. 412: I. Allegro - 1, from the album Mozart: Horn Concertos Nos. 1 - 4, was released in the year 2016. The duration of the song is 4:38. Download English songs online from JioSaavn.