Back number had a great 2015. All four of the group's singles made it into the Top 10 on the Oricon chart, and they did even better digitally. The rock band capped off the year with its first No. 1 ...

Frontman & songwriter Iyori Shimizu says: "I'm happy to be a part of this wonderful mass of commitment and love called 'Maiagare'!" By Billboard Japan Japanese pop-rock band back number was tapped to ...

Japanese pop band back number shared a snippet of the music video accompanying its upcoming new single "HAPPY BIRTHDAY," the song currently being broadcast as the theme of a romantic TBS drama series… ...