So Crazy (T-ara song)

So Crazy is a song by the South Korean girl group T-ara, released in 2015 as the title track of their seventh extended play, So Good. The song is a dance-pop track with a retro sound and was produced by Brave Brothers. "So Crazy" marks a notable stylistic departure for T-ara, moving away from their more commonly known electronic and dance-heavy sound to embrace a brass-infused, funk-inspired sound reminiscent of 1980s pop music. The song's lyrics express the feeling of being completely enamored with someone, to the point of acting "so crazy." The music video for "So Crazy" features the members of T-ara working in a marine environment, specifically on a ship and near the ocean. Promotion for the song included live performances on various South Korean music programs. "So Crazy" was moderately successful commercially, charting on the Gaon Digital Chart.