I rickin they’s liddl ol resonatin chambers fur whens we wants tay talk’t one nuther, sing or holler real loud. You jist tri humming, ya’ll see wita mean. Any old oprey sunger tell’ yuv git te magine tha song coming out the toppa yur head te git any kaynd’o vibrato ur prejection’v yur voice :) . All kiyn’da critters…