渋さ知らズ オーケストラ (Shibusashirazu Orchestra)
http://www.myspace.com/shibusashirazuorchestra
http://en.wikipedia.org/wiki/Shibusashirazu_Orchestra
http://www3.alpha-net.ne.jp/users/poipoi/index/top.html
Jazz and improvised music venue.
Directions:
Come out of JR Shinjuku station East exit in front of Alta. Walk right down Shinjuku-dori, pass Mitsukoshi and Isetan department stores. Keep going until you get to the Shinjuku 2-chome intersection. Turn left here and you can find Pit Inn on the right in the basement of the Accord Building.