Hey there, Mael! Thanks for having taken the time to write such an in-depth review! I'll address some of your points in return... I see you've used the time indications rather than measure numbers and such.
Letehn, I had to read your review a few times, but thank you very much for it!
Speaking of which, how
does one go about the creation of a PDF score? I'll look into that.
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Okay, Mael, here we go.
First off, at :56, the exposition repeats; stylistically, a Sonata can have a repeated exposition, can't it? Maybe once I get a PDF up, that'll be more obvious. And once again, at 1:37, that's just the secondary theme being repeated.

Hmmm... okay. At 1:57, I've simply introduced a few modulatory measures to bring in the next tonal focus in the development. I'll just admit now that in the development, I was unable to hold back a few of my more... um...
modulatory tendencies.
Your comment about the bass losing continuous motion... well, yes, that was intentional, and I had hoped to make up for it by giving the running background which I'd set up to the right hand. Kind of an inversion of the theme, but not quite, you know?
Next, when I recap theme 1 with the low bass chords (you mentioned specifically 2:55, which was a very low-written A major chord)... yes, the thick feeling was very intentional. While writing this (I wrote it in the space of one weekend), this recapitulation was the one part upon which I spent the most time, for the simple fact that I couldn't decide whether or not to keep the huge chords down in the bass, lending the muddy texture. I played it on my personal piano both ways - using the current chords, and removing the thirds and fifths, leaving just octaves, and every way in between. In the end, I decided that I liked the muddy texture of the full-voiced chords. ; not sure why, it just gives such a powerful, growling aspect to what had been, in my opinion, rather dry music thus far. Again,

.
Thank you for the comments on my adherence to the form - as I said, that was my principal goal in writing this. You say you would like to see more? Well, I had never given any thought to writing the other movement, but if this is well received, I'll go back and dress everything up; you know, actually spend some time on it and turn it into something "nice," if I can.
Again, many thanks to the both of you! Maybe I'll consider trying to get a recording of this, rather than the midi... maybe I'll do a lot of things. And for the final time,

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~Dallas