I didn't know you listened to that kind of music, Jerry!--Nelly Furtado's voice breaks are like the Joni MItchell ones, which are much imitated by contemporary women singer/songwriters(a little too much imitated, if you asked me)--it has always seemed to be that that particular sort of yodeling(which is what it is) was copied from the old Hawaiian style of singing, best embodied in the singing of Rose Moe--