Serious discussions must have already begun on whether the fans of AKB 48 can be brought together for a snap election of a new Party Leader, so as to avoid leaving the group, the fandom, the marketers, the makeup artists, the clothes designers, the lighting crews, the semi-closeted nympholeptics leaderless.
Questions will also now grow ever louder as to whether Shinoda Mariko, the oldest member of the group at 26, should not also announce her departure.
Later - Oh dear, I was pipped by Japan Probe. Oh well.
Later still - And yes, they can sing beautifully, when they try (Link).