Math rock is a subgenre of rock music characterized by complex rhythms, unusual time signatures, and intricate guitar work. Bands often use unconventional song structures, moving away from traditional verse-chorus formats. This style emphasizes technical proficiency and creativity, appealing to listeners who appreciate musicianship. Originating in the late 1980s and early 1990s, math rock draws influences from genres like post-rock, progressive rock, and punk. Notable bands in this genre include Don Caballero, Battles, and Hella. Math rock often features instrumental tracks, showcasing the interplay between instruments rather than focusing solely on vocals.