The girls originally planned to hold a concert in Japan in April but due to the Tōhoku earthquake in March , the concert was postponed to September instead . The band 's first Japanese concert at C.C Lemon Hall in Shibuya took place on September 12 . There , they unveiled one of their songs in their fourth album '' An Inconvenient Truth '' , which was composed by JeA and KZ
Tōhoku earthquake
2011 Tōhoku earthquake and tsunami
Brown Eyed Girls