In February 2011 , it was announced that her arena tour of the year , '' Hotel Love Songs '' , would start in April . Shortly after the 2011 Tohoku earthquake and tsunami hit , it was announced that the tour was rescheduled to start in late May and the tour was renamed to '' Power of Music '' . Deeply affected by the Tohoku earthquake and tsunami devastation , Hamasaki decided to collaborate with fashion magazine , '' Vivi '' , with the sale of charity shirts and the profits going to help the victims in the devastation . On April 20 , 2011 , Hamasaki simultaneously released four new remix albums , '' Ayu-mi-x 7 '' : '' House '' , '' Acoustic Orchestra '' , '' Trance 4 '' , '' Ayu-ro Mix 4 '' , and a '' Limited Complete Box Set '' , which were also released internationally on iTunes . On that same day , Hamasaki also released '' 2010 Rock 'n' Roll Circus Tour '' and '' A 50 Singles : Live Selection '' which topped the weekly chart at No. 1 and No. 2 respectively . The simultaneous releases made Hamasaki the first artist ever to have 4 albums in Oricon 's top 10 and also the first artist to hold 2 top positions in the Oricon DVD chart . Their original release date of March 30 was postponed due to the 2011 Tohoku earthquake and tsunami and was pushed back to April 20 instead . On April 21 , 2011 , it was announced that she would perform in a-nation 10th Anniversary for Life Charge & Go ! On May 4 , it was announced that she broke another record – the female artist with the highest DVD sales with 2,313,000
2011 Tohoku earthquake and tsunami
2011 Tōhoku earthquake and tsunami
Ayumi Hamasaki