1774: Haydn: Symphony No. 64 in A major (Tempora mutantur), age 42



Again, it is vexing, because the best info I can find says “between 1773 and 1775”, so I just picked 1774, but the importance is that 1774 is when Mozart turned 18, so anything he heard at this time becomes extremely important.


Tempora mutantur, nos et mutamur in illis.

The times change, and we change with them.

Just what this means in this music is endlessly debated, but purely from a musical perspective there are constant interruptions in the slow movement, which could be about time changes, or playing with time. Regardless, the 2nd movement is wonderful.


  • two oboes
  • two horns
  • strings


  1. Allegro con spirito
  2. Largo
  3. Menuetto and Trio: Allegretto
  4. Finale: Presto

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