Ritual are inherent part of human traditions. They include not only the rites and sarcaments of organized religions but also rites of passage, of onement and purification rits, oaths of allegiance, dedicaton ceremonies, inaugurstaion , funeral and more.
Different cultures have different rituals and they also varies as per caste, ethnicity and nationality. The rites involves performances of special music, songs and dances some times with processions, use of special dresses and consumption of special food and drinks. Sacrifice is also occasionaly performed.