Punk is a genre of music that originated in the mid-1970s and has since become one of the most influential genres in modern music. Two of the most popular subgenres of punk are ska and emo. Ska is a style of music that originated in Jamaica in the late 1950s and is characterized by its upbeat tempo and distinctive offbeat guitar sound. Emo is a style of punk rock that emerged in the mid-1980s and is characterized by its emotional lyrics and melodic instrumentation.