Pop-punk is a music genre that blends elements of punk rock with catchy melodies and pop sensibilities. It typically features fast tempos, simple chord progressions, and lyrics that often focus on themes of youth, relationships, and rebellion. Bands like Green Day and Blink-182 are well-known examples of this style, which gained popularity in the 1990s and early 2000s. The genre is characterized by its energetic sound and accessible hooks, making it appealing to a wide audience. Pop-punk often incorporates humor and a sense of irony in its lyrics, setting it apart from traditional punk rock. Other notable bands include Paramore and Fall Out Boy.