Joseph Haydn Franz Joseph Haydn ( , ; 31 March 173231 May 1809) was an Austrian composer of the Classical period. He was instrumental in the development of chamber music such as the string quartet and piano trio. His contributions to musical form have le ...

's Symphony 'A' in B major, Hoboken I/107, was written between 1757 and 1760. It therefore must have been composed for Count Morzin's orchestra, for whom Haydn worked until 1761. It is not in the usual numbering scheme for Haydn symphonies because it was originally thought to be a string quartet (Op. 1/5) by 19th century scholars and was catalogued as Hob. III/5.French website for Hoboken III
It is scored for 2

oboe The oboe ( ) is a type of double reed woodwind instrument. Oboes are usually made of wood, but may also be made of synthetic materials, such as plastic, resin, or hybrid composites. The most common oboe plays in the treble or soprano range. ...

s, bassoon, 2 horns in B alto, strings and continuo.HC Robbins Landon, Haydn: Chronicle and Works, 5 vols, (Bloomington and London: Indiana University Press, 1976-) v. 1, Haydn: the Early Years, 1732-1765

References

Symphony 107 Compositions in B-flat major {{symphony-stub