F4 Japan concert - Big sell out

Ticket sales for F4's Japan concert in October was so sellable that organisers have added a 7th show.Japan organisers seems to have invited another idol grp Fahrenheit to appear at the concert. However, news released yesterday that F4's performance time have already exceeded, Fahrenheits performance may have to be taken out.Fahrenheit's record company expressed that they did not receive any invitation and they also have a concert in Sept, schedule is very packed.Everytime F4 reunites for an event, there are always rumours that it will be the last. Especially the 4 of them now belongs to different management company, there are even rumours that Oct Japan concert is F4 farewell concert. F4 concert tics are selling extremely well, from initial 3 shows, to 6 shows. Japan organisers gave in to pressure by fans, and added another show, bringing it to a total of shows.F4 has set a new record for chinese singers holding concerts in Japan.In the past, for F4 concerts there are not much of the 4 of them singing together, emphasizing more on individual performance. This time, there will be more of the 4 of them singing together, and also performing in pairs. F4 concert rarely invite guests performers, but this time Japan producers suggested some singers frm Hong Kong or Taiwan, including the popular Fahrenheit. But Fahrenheit have their own concert in HK in Sept and concert tour following, and they have not receive any invites from Japan side.