1771: Mozart: Symphony in D major, K. 135+61h (no number), age 15
This symphony was probably written in 1772. The first two movements are from the overture to the opera Lucio Silla, K. 135, and the last movement, the minuet K. 61h No. 3, was composed separately. The story of the last movement is extremely confusing about both the time of composition and even who wrote it, because not everyone things Mozart wrote the last movement.
Instrumentation:
- two oboes
- two horns
- two trumpets
- timpani
- strings
Movements:
I’m trying to track down more info, but so far I have not found it.