goeie bron: http://books.google.nl/books?id=INcAsZ1oTq8C&printsec=frontcover&dq=rhythm+analysis&source=bl&ots=iyxPrczMob&sig=Zx5LrZseTZuAQ1Im-TQ3W2akqh8&hl=nl&ei=VWu9TLnCDIOUOqrpuGc&sa=X&oi=book_result&ct=result&resnum=3&ved=0CCoQ6AEwAg#v=onepage&q=rhythm%20analysis&f=false