K.K. Étude

"K.K. Étude" (formatted as "K.K. Etude" prior to ) is a K.K. Slider song that first appears in. An is a musical composition designed to improve a technical skill instead of being performed.

Album cover
The album cover for "K.K. Étude" features young pupil-like K.K. Slider being instructed by Velma to play the piano. In e-Reader card, the text at the middle-right reads "K.K. Etude." In, the text at the bottom-left is illegible, while in , it is now in bottom-right position and reads the French title of the song, "Étude de Kéké."

In
In, "K.K. Etude" is played in the houses of Kitty, Olivia, Pierce, and Valise. In, it is also played in Willow's house, and the aircheck of the song's live performance can be received from Emerald, Kitty, Pierce, Valise, and Willow at maximum friendship.

In
In, "K.K. Etude" is played in Pierce's house.

In
In, "K.K. Étude" is played in the houses of Kitty, Pierce, and Willow.

In
In, "K.K. Étude" is played in the houses of Kitty, Louie, Nan, Pierce, Velma, and Willow.

In
In, "K.K. Étude" is played in the houses of Bones, Deli, and Nan.

In, "K.K. Étude" is played in the houses of Al, Bluebear, Gabi, and Jambette.

In
In, "K.K. Étude" is played in the houses of Al, Aurora, Bluebear, Franklin, Gabi, and Jambette.

Trivia

 * The aircheck of "K.K. Étude" showcases Alberti bass, which is a classic technique in classical music.