Sixth Sense (Brown Eyed Girls song)

"Sixth Sense" is a song recorded by South Korean girl group Brown Eyed Girls, released as the second single from the group's fourth studio album Sixth Sense in 2011. The song was covered by Lovelyz during Mnet's television program Queendom, and by Kiss of Life on MBC's television program Song Stealer.

Composition
The song is composed in the key of F minor and spans for 3 minutes and 48 seconds. It spans from the low note of background vocal F3, to the high mixed of F5, with the highest note being the head voice note of F6.

Background and promotion
The song is written by Kim Eana (김이나). The lyrics concern "[r]esistance for freedom of expression through music via sixth sense." The promotions of the album and song "Sixth Sense" started in September 24, on MBC's Show! Music Core and was also promoted on the shows M! Countdown, Inkigayo and Music Bank.

Charts and performance
The song was released to various digital outlets in September 2011, after which it quickly topped various online charts. It topped the Gaon Digital Chart during the week ending October 1, 2011 and has sold 2,585,879+ downloads.