Crazy is the sixth extended play by South Korean girl group 4Minute. It was released on February 9, 2015, by Cube Entertainment and distributed by Universal Music Group. It was the group's first offering in 11 months since the release of 4Minute World. The EP marked a shift towards a bolder concept and fresh direction for the group and contains six songs. Musically, the album is characterized by the group's signature hip hop sound, while also encompassing several other genres including, trap, dance, Europop, funk, disco and rock. Upon release, Crazy received generally favourable reviews from music critics, who praised its production, musical direction and the group's vocal performance. Commercially, the album debuted and peaked at number two on South Korea's Gaon Album Chart, and became the fourth best-selling album of February 2015 in the country. It also peaked at number one on the Billboard World Albums chart. The album spawned two lead singles: "Cold Rain" and "Crazy". The former was the first time the group used a ballad as its lead single since their debut; it was released on January 26, 2015, for digital purchase. From Wikipedia (https://en.wikipedia.org/wiki/Crazy_(...) under Creative Commons Attribution CC-BY-SA 3.0 (https://creativecommons.org/licenses/...)