mutyumu (夢中夢, meaning "A dream within a dream" in English). Formed in Japan, 2002 is a Japanese band that describes its own music as a mixture of post-rock, minimal, classical, alternative, and heavy metal. Members:
Hatis Noit (Vocal)
Ryota Yoda (Guitar)
Junpei Suda (Drums)
Yuko Ikenaga (Piano)
Yuji Hayashi (Bass)
Ryota Taniuchi (Violin)
On their album "イリヤ - il y a -", world's end girlfriend, Hajime of ミドリ, and Robin from 赤犬 also worked in collaboration with the band. They split up in 2010 stating on their official website "Someday, We'll be back.

Read more about 夢中夢 on Last.fm.