Evolution (Infinite EP)

"Evolution" is the second EP by the South Korean boy band Infinite. The song "BTD (Before the Dawn)" was used to promote the EP. They released the song "Voice of My Heart" on December 29, 2010, as a teaser, and the full EP was released a week after, on January 6, 2011.

Controversy
During the promotions of the title track "BTD (Before the Dawn)", the music video of the song was considered to be controversial as it depicted violence.

Sales and certifications
Physical Sales