The band's sound usually has elements of punk rock, pop and alternative rock. "I Brought You My Bullets, You Brought Me Your Love", the band's debut album, features a raw sound that has guitar riffs, very energetic vocals and sometimes screaming. The album has been described as emo, post-hardcore, alternative rock, screamo, punk rock, gothic rock, pop punk, and garage punk, The album also has some influences from hardcore punk and heavy metal. The second album, "Three Cheers for Sweet Revenge," was one of the albums that launched the emo genre into the mainstream. "Three Cheers for Sweet Revenge" was described as alternative rock, emo, pop punk, post-hardcore, and punk rock. The band's third album, "The Black Parade," has been described as alternative rock, emo, pop punk, post-hardcore, punk rock, and hard rock. The album has influences from 1970s classic rock, glam rock, pop, and gothic rock. The band's fourth album, "Danger Days: The True Lives of the Fabulous Killjoys," was described as alternative rock pop punk, power pop, pop rock, and electronic rock.