Symphony No. 1 (Mozart) in the finale of his "Jupiter" symphony, No. 41. The four notes, Do, Re, Fa, Mi, make an appearance in several of Mozart's works, including his Symphony No. 33. This theme is stated by the horns in his first symphony. In his book on the Piano Concertos, Cuthbert Girdlestone pointed out the similarity between the opening of this symphony and that of Mozart’s Piano Concerto No. 22 K482, composed some twenty years later. Symphony No. 1 (Mozart) The Symphony No. 1 in E major, K. 16, was written in 1764 by Wolfgang Amadeus Mozart at the age of eight years.
Symphony No. 37 (Haydn) Symphony No. 37 (Haydn) The Symphony No. 37 in C major, Hob. I/37, is a symphony by Franz Joseph Haydn. The numbering is completely misleading, as it is clearly one of Haydn's earliest symphonies. A copy of the score found at Český Krumlov, Czech Republic, is dated 1758. It can be presumed it was written for the orchestra of Count Morzin, in which Haydn was employed until February 1761. This symphony is a candidate for the first one he ever had written, if his Symphony No. 1 was not indeed his first symphony. The work is scored for two oboes,