Emo is a genre of punk rock music that originated in the mid-1980s in Washington, D.C. It is characterized by its emotionally charged lyrics and melodic instrumentation. The term 'emo' is often used to describe a wide range of musical styles, including post-hardcore, indie rock, and pop punk. Emo has become a popular form of expression for many young people, and its influence can be seen in many aspects of modern culture.