Nice drum build up but yeah, the pitches definately don't match, with the pitch delay pedal you can change the pitch but might have to tweak the placement of it so it starts when you want it to. You did great putting the idea together but you could work on unity a little. Make the whole song fit together. But it's also pretty hard using samples too but a lot of practice and you can use the rest of the tools audiotool has for creating sounds (: Keep up the tunes