This document summarizes research on the effects of music exposure at different stages of human development. It discusses studies that found music exposure during prenatal development positively influences neonatal behavior. Infants were found to learn lyrics more easily when paired with consistent melodies. Studies also showed music improves cognitive, physical and social development in children. Adolescents who took music courses achieved better academic performance. Musical training in adulthood was linked to better auditory processing and cognitive abilities related to speech perception. The document concludes that music exposure has overall positive implications across the human lifespan.