MTBD (song)
"MTBD" (Korean: 멘붕; RR: Menbung) is a song by South Korean rapper and singer-songwriter CL, a member of girl group 2NE1. It was released on February 27, 2014, as part of 2NE1's second Korean-language studio-album Crush (2014). "MTBD", which derives from the phrase "mental breakdown", was written and produced by Teddy Park with additional lyrics penned by CL. The song was used in the fifth episode of Fox's Lucifer, which was broadcast in February 2016. Background and music "MTBD" was confirmed to be included in the tracklist for 2NE1's second Korean-language studio album, titled Crush on February 19, 2014. The song was subsequently released on February 27 as part of Crush, as the sixth track off of the album. The song serves as CL's second solo track during her career with 2NE1, with her first solo single being "The Baddest Female" (2013). "MTBD" was written by both CL and long-time 2NE1 collaborator Teddy Park, with additional production by Park. "MTBD", which is an acronym stemming from the phrase "mental breakdown", integrates the genres of EDM, hip-pop and bubblegum trap and consists of a tense drum beat, low bass, and a unique synth sound. It interpolates a strong dubstep and trap