Jazz, Type of is a term used to describe a style of music that originated in the early 20th century in African American communities in the Southern United States. The term 'JAZZ' encompasses a wide range of musical styles, including BEBOP, which is a style characterized by fast tempos, improvisation, and complex harmonic structures. BEBOP was developed in the 1940s and 1950s and is considered one of the most influential JAZZ styles of all time.