Ternary Form is a musical structure that consists of three distinct sections, typically labeled as A, B, and A. The first section, A, presents a theme or melody, followed by a contrasting section, B, which introduces new material. The form concludes with a return to the A section, often repeating it to create a sense of closure. This structure is commonly found in various genres, including classical music and popular songs. Composers like Wolfgang Amadeus Mozart and Frédéric Chopin frequently employed ternary form, making it a fundamental concept in music theory and composition.