Be Wave - Sound Wave is a cafe & bar below a hair salon in kabukicho.

At JR Shinjuku station, come out the east exit for Kabukicho. Go down the little street on the left of Studio Alta. When you come out to Yasukuni Dori, take the street on the left of Don Quixote into Kabuki-cho. Keep going and turn right after you pass Mc Donalds. Look for Be Wave on your right.