Group SHINee will release their 3rd album chapter 2 title song, "Why So Serious?" music video teaser on April 22.

They will release the teaser on YouTube, SM official Facebook page, SHINee Facebook page and other sites.

This new song will reveal a strong rock sound and show off the members transformations.

They will also have a new powerful performance for this song as well.

The album will officially release on April 26 online and on April 29 offline.