Mini 4 is the fourth extended play of South Korean boy band BigBang. It was their first new material released in South Korea after two-year hiatus as a group. Upon its release, the album and its lead single of the same name became a chart-topper in various South Korean and international music charts. It was released on February 24, 2011, under YG Entertainment. A repackaged edition titled Big Bang Special Edition was released on April 8, 2011, and featured a new track "Love Song" as the lead single.

Each song has its own score

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