2021/01/01 12:15 Mayday holds New Year s Eve concert at Taoyuan International Baseball Stadium Dec. 31. (B in Music photo) Mayday holds New Year s Eve concert at Taoyuan International Baseball Stadium Dec. 31. (B in Music photo) TAIPEI (Taiwan News) Five Taiwanese nationals who reportedly attended the year-end concert held by the local pop band Mayday on Thursday (Dec. 31) before their self-health monitoring period had ended will likely be fined. To celebrate the arrival of 2021, Mayday gave an electrifying performance at Taoyuan International Baseball Stadium on Thursday, with over 22,000 people in attendance. However, news broke out during the concert that several individuals who were supposed to be following self-health management protocols were in the crowd.