The adhan is the Islamic call to prayer, recited by a muezzin five times a day, a tradition that reaches back to seventh-century Medina. Its long, melodic phrases were designed to carry across a city and gather the community, and skilled reciters are admired for their control and beauty of tone. This particular clip circulates online as an especially beautiful rendition, and many families now keep it on their phones as a go-to calming sound, playing it for children like Milan whenever they need to settle down.