Big Bang Shooting New Music Video for New Song

Star News reported that Big Bang will shoot a new music video for a song that wasn't included in the band's 5th mini album, ALIVE. The MV shooting will take place from 18th to 20th April.
YG Entertainment confirmed, "It is correct that Big Bang is filming a new music video for a new song. We cannot reveal details on this project yet."
This news surprised many people and made them wonder why the boys start a new project so soon after their comeback promotions. Some guess that they will release a repackaged version of ALIVE, just like they did last year.
What do you think? Are you anticipating Big Bang's new project?