θ―ζ (Kazoku) was a talented japanese visual indies band. In the beginning their sound had many punky influences, but after going through several lineup changes (and even losing their main songwriter at one point), their sound was mostly mellow rock music topped with Yusa's soft and versatile singing voice. Although they were together for only about two years, they had an international fanbase which still after their disbanding is growing more and more. Read more on Last.fm