Even though it had already been a year , it still felt very surreal sometimes . In the past year , they had released three number 1 singles , held a successful concert in Tokyo Dome , went on a mini tour in Yokohama and Osaka , and did the musical , Summary . It was funny how life would come a complete circle .

Question: Why did the band feel the year had been a success ?
Answer: They played a historic theater .They did an arena show .None of the above choices .They played a major venue .