System of a Down is an Armenian-American heavy metal band formed in Glendale, California, noted for its distinctive blend of alternative metal, progressive metal, and punk influences, politically charged lyrics, and unconventional time signatures. The quartet—Serj Tankian (vocals), Daron Malakian (guitar, vocals), Shavo Odadjian (bass, backing vocals), and John Dolmayan (drums)—is recognized for fusing melodic hooks with aggressive riffs, Mediterranean modalities, and abrupt tempo shifts to create a tense, cinematic sound. This overview outlines their formation, discography, signature musical traits, live presence, and lasting impact on rock and metal culture.
