The sonata-allegro form of music was used in the classical period of music like this. The first movement, or the exposition, began in the home key. If the music was in c major, then the first group in the exposition was used in c major. It basically served as a base to the rest of the piece of music. In the exposition, there was usually a transition were there would be more than one theme from the second group to the first. If the first group in the exposition was in a minor key, then the second group will most likely be in the major group. Sometimes, the music in the second group will change in the mood of the first subject after it has gone into the transition. The development will usually start in the same key that the exposition ended in. It usually has the main theme from the exposition, only it will alter it, or add new more to it to change it around a little.At the end of the development, it will usually turn towards the home key, and enter the third movement, called the recapulation. The recapulation is usually an altered form of the exposition, it will usually change to minor or major depending on the piece. The final movement of the piece, the coda, usually ends with parts of the home key. They can be brief, or they can be very lengthy and elaborate.
Instrumental music of this time period was really important, because a lot of the really famous composers were writing music during this time frame. Composers were trying out a lot of new things, and I think this period had a lot of productivity when it came to music. In Haydn's "Symphony #5", there is a very large emphasis on one note in the opening theme that catches everyone's attention. If you had never heard this piece, and had no idea that this was coming, this probably woke you up a little, and made you pay attention to it a lot more closely. In Mozart's "Eine Kleine Nachtmusik", this is a piece that almost anybody recognizes. It's usually associated with the upper class dining in a fancy restaurant in movies, and it's a piece that I think that everyone has heard at least once in their life time. I think that instrumental music was so important, because the common people were taking interest in it as well. It was no longer just left for the elite to hear, but anybody that wanted to could go and be entertained by this. It became something everyone could enjoy.
Beethoven liked to have the sound of larger orchestras. He moved the center of the sound downwards in the orchestra, to the violas, violins, and cellos. It gave his music a darker feel than Haydn, and also gave it a drive that makes his music easy to distinguish. Haydn's orchestra had more of a lighter sound than Beethoven's.
In Mozart's "Piano Concerto", it had more of a large orchestra sound, and didn't really sound like I thought it was. I was expecting there to be a piano, just because of the name solely. Beethoven's "Piano Sonata" was really smooth, and sounded more like it was a solo written solely for the piano. The main difference between the symphony, and the sonata is that there is only a piano in the sonata. I couldn't tell much of a difference between the concerto and the symphony, I think the concerto was written for the strings with the accompaniement of the piano, and the symphony didn't. I think the concerto brought out the piano later in the music, and having it perform a solo was it's main difference.
Compared to the baroque period, I could definetly tell that music in the classical period has evolved a lot. I don't think that music in the classical period is as busy, meaning it knows when to stop, and not just continuely go. I think the focused a lot more on the string sections, which makes this the classical music that everyone associates classical music with. Haydn and Mozart sounded the most similiar in my opinion. I think Mozart's music flowed together the best. Haydn's music was really good, but I think that I'd have to hear more to make a comparison to Mozart or Beethoven. Beethoven's music was the best in my opinion. I think that it never got boring, and it had something to it that just made it really good. So far out of all of the period's of music that we've had to listen to, the Classical period would be my favorite.