Symphony No. 64 (Haydn)

The Symphony No. 64 in A major (Hoboken I/64) is a symphony by Joseph Haydn dated between 1773 and 1775. The likely date of composition puts it at the tail end of the Sturm und Drang period that produced masterpieces such as symphonies 44 to 48. It is often known by the nickname Tempora mutantur.