BEAST's entertainment agency Cube Entertainment, who recently filed for investigation of the leak in BEAST's new album Good Luck, stated that they embedded different sounds in the track in the case of a leak.

On June 26, Cube Entertainment stated that they released the music to 9 different music websites on June 13, each with different embedded sounds. They were prepared to track down the elicitor in case of a leak.

Cube Entertainment stated: "We put in different sounds in a specific moment of the song to create 9 different tracks. The leaked version of the song contained a tambourine sound in the song 'Good Luck'."

Cube Entertainment has filed for an investigation to figure out exactly where and how the song was leaked.

Cube Entertainment had previously released Hyuna's "Ice Cream" early due to song leak.