Justin Timberlake has a serious problem. Since October is his voice quite to pieces. This week was already for the seventh time a concert of his current tour cancelled. This time it was the fans in Oakland pineut.De former *NSYNC singer had at the end of October for the first action delete of his Man of the Woods tour. Followed by cancellations for shows in Buffalo, Tacoma, Los Angeles, Phoenix, Las Vegas, Fresno and Portland. It is not clear why the problem continues.