Trad jazz is a sub-genre of jazz music that emerged in the 1940s. The term is short for "traditional jazz" and refers to the music performed by African American musicians in the early part of the 20th century. Despite its popularity in the 1950s and 1960s, there are many other terms that are used to describe this type of music. Some synonyms for trad jazz include Dixieland jazz, New Orleans jazz, classic jazz, and hot jazz. These terms are often used interchangeably and can be applied to different regional styles of the genre. While the names may vary, the lively and energetic sound of trad jazz remains a favorite among jazz enthusiasts to this day.