いちぜん! is a musical group known for their distinctive approach to japan music. Their discography showcases a diverse range of musical expression, featuring releases such as 未来理想計画, メタセコイア, 雪月花を見る頃に, 雨夜の星に見た光, among others. These works demonstrate いちぜん!'s artistic evolution and commitment to their craft. Their ongoing work demonstrates a commitment to artistic growth and musical exploration.