Interesting that you should mention this, because the guy who reviewed Skyward Sword from ONM, was asked a question about the music. He states that the music is of "high standard" but less memorable then music in previous Zelda games.
Here's his direct quote....
"The main theme (the...
Here's the video of Nate Bihldorff, senior localization manager for Nintendo of America, talking about Skyward Sword. At around 4:20, he mentions that "you'll find yourself going back to dungeons."
This might imply less dungeons but there'll be more expansive. Also, apparently the story will...