Complex sentence: To this end, the music of the Carnival season also needed to be sufficiently loud, weird, and frightening, and rattles, tin pails, drums, cow bells, or whistles came into use.
Split into simpler sentences: To this end, the music of the carnival season also needed to be sufficiently loud, weird, and frightening. Rattles, tin pails, drums, cow bells, or whistles came into use.