1. harsh and shrill
1. Children in the street shouted with raucous voices.
2. disorderly and boisterous
2. All night a band of pilgrims filled the neighborhood with their raucous singing and shouting, keeping everyone awake.
raucus (hoarse) (Latin)
rauc (sounds like rock) + us rock music is usually loud and harsh. rakshas. u can make up the rest