Read the following context and answer the question.
Context: She thought I was a Japanese , as most people at the concert were Japanese . Then the 3 of us started talking about Arashi again before concert starts . Then aroud 5.30 , everyone started chanting , " Arashi ! Arashi " , waiting for Arashi to make their appearance . The opening was fantasic ! ! !
Question: What may be the reason most people at the concert were Japanese ?
Answer:


Because the band was from Japan and the concert was in Japan .