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Wednesday, April 20, 2005

Mozart: Piano Sonata in B-Flat, K.333, I

Here we have our introduction to Sonata form. Sonata form seems to be the most open of all the forms. In this Sonata Mozart takes many liberties with the form. We begin immediately into our Group 1 theme. This group takes the form of a rounded binary form. Our first phrase lasts 10 measures and ends on a PAC. It seems to start over, but in fact we quickly modulate into the dominant key for our B section of Group 1. The ends on a HC in our original key and we come back to the original material. This recapitulation ends on a cadential extension, then a PAC. We now transition and move again to the Dominant key, but with the inclusion of new material we move into our Group 2. This theme is much shorter and moves quickly to closing material. This whole section is repeated again (group 1, group 2 and closing) as is normal for the form. Our Developmental section takes the them from group 1 and runs with it, through a range of keys, starting with the relative minor, eventually bringing back our transitional material and ending on a big HC in the original key. When our Group 1 returns, we start in the sub-dominant key in order to make the transition return our group 2 into the original B-flat key. We come back to B-flat and onto our closing material, which we extend out once again to a final PAC. Hooray!

5 comments:

mvittorio said...

I like all your detailed info. on groups. They still kinda confuse me. Great job.

MeatPopsicle said...

Good catch with the subdominant in the recapitulation. I almost didn't catch that!

Mr. Luxury Yacht said...

I like how you talk indepth about the variations on the standard form. Good job!

Spoonaloompa said...

I personally thought that Gr. 1 came back to begin the recapitulation in measure 94, which would make it in the original tonic key. I could be very wrong, though. I'll be sure to bring it up in cliz-ass.

Kaberle said...

Did you have the closings occuring around the trills...I was confused on exactly where the closing started.....just wondering...