Try the pitch bend wheel... trust me it works... bend the sample a little then let it go to the normal postion... audition the outcome and if its not right, erase and try it again up or down (the wheel that is) til it fits perfectly... check my beats made on the ASR-10 and nothing else at:
http://www.soundclick.com/defscottyb I might not be the greatest beatmaker in the world but I know how to make a beat fit a sample and visa-versa peep it!