ok, today I want to talk about key changes!
this will define my nerdness...

key changes are musicians gift to mankind...I am not exaggerating here either
if you don't know key changes are, they are the parts in music where the music sounds different but it still sounds almost the same. They're usually somewhere in the later part of the song.

a good key change will blow your mind, it just adds so much excitment and definition to the piece.
*KEYCHANGE!*

sometimes there is a ritard(slowing done) before the key change, which makes the key change even more awesome.

Key changes can even change the meaning of the piece, for example, the song can be in a minor key, so it sounds sad, but then you change the key and it's happy! and thats all you have to do. Or you can go from happy to sad...
and you can change the tempo...

Am I geeky enough yet?