On top of the singles charts is long time male group SMAP with their 49th single “Mistake! / Battery” selling over 161,000 copies. The #2 spot goes to Perfume with single “Mirai no Museum” that’s featured as the theme song for long running...

Three-girl group Perfume has announced their first single of 2013 “Mirai no Museum” which will be featured as the theme song for anime movie Doraemon Nobita no Himitsu Dogu Museum (Doraemon Nobita’s Secret Gadget Museum). The single is the popular group’s 22nd and...