3/4 time is a musical time signature that indicates there are three beats in each measure, with the quarter note receiving one beat. This creates a rhythmic pattern that often feels like a waltz, making it popular in dance music. The counting typically goes "1, 2, 3," with an emphasis on the first beat. In music composition, 3/4 time allows for a flowing, graceful feel, often used in genres like classical, folk, and some forms of jazz. Composers and songwriters use this time signature to evoke emotions and create a sense of movement, making it a versatile choice for various musical styles.