Mozart Effect

Mozart Sonata for Two Pianos in D major, K. 448 was the one used in the scientific study that tested the theory of the Mozart Effect. The study suggested that Classical music increases brain activity more positively than other kinds of music.

D major for happy compositions usually calling for a degree of virtuosity, as may be easily heard in his Sonata for two pianos. Mozart wrote it for a performance he would give with Josephine von Aurnhammer, who also appeared with him in his Concerto for two pianos and orchestra.

There are 3 parts:

Opening Allegro con spirito begins with a trilling fanfare, then immediately launches into a quick, bubbling theme, followed by a somewhat more chordal, low-key, second subject adorned with witty grace notes; a third section returns to the spirit and technique of the first part, but without quite quoting the earlier material until the very end.

The Andante begins with a seemingly simple yet highly adorned melody and flowing accompaniment that might serve nicely as an aria or duet in The Magic Flute or Cosí fan tutte. The theme of the middle section in this ABA movement is more spare, almost a lullaby.

Finally, the Molto allegro movement leaps off the page with a spirited tune that might be called galloping if it weren't so elegant. This is the recurring theme that binds together a rondo featuring an assortment of highly contrasting melodies, one of which – heard early on and returning at the end – includes a Turkish-style cadence that calls to mind Mozart's famous Rondo alla turca.

Enjoy!