Emo is a three-letter music genre that is characterized by its angsty and emotional sound. It is a subgenre of punk rock and indie rock that originated in the mid-1980s in Washington, D.C. Emo music typically features confessional lyrics and melodic instrumentation, often with an emphasis on guitar-driven melodies. The genre has been popularized by bands such as My Chemical Romance, Fall Out Boy, and Paramore.