K.K. Birthday

"K.K. Birthday" is a K.K. Slider song that first appeared in and later reappeared in. It is considered a secret song, as it can only be obtained during a K.K. Slider performance on the player's birthday (or the Saturday before prior to ). It is not obtainable in, but it is performed by K.K. Slider. None of the villagers own this song, although it will play in a villager's house on the day of their birthday; if the villager already had a stereo with a song playing, it will be replaced by this song. In it is one of five songs that cannot be reordered via Nook Shopping once obtained. The other four are Animal City, Drivin', Farewell, and Welcome Horizons.

The song's composition and melody is based heavily on the traditional "" song, which was not in public domain at the time of 's release. However, it is much longer in comparison to its source material, with a more intricate structure and harmony.

Album cover
The album cover for "K.K. Birthday" features birthday cake with K.K. Slider and Tangy on the top, accompanied by the words "Happy Birthday". The word "Birthday" styling has been changed in.

In
In, K.K. will perform "K.K. Birthday" on the closest Saturday prior to the player's birthday (or the actual day, if it naturally falls on a Saturday). There is no aircheck of this song.

In
In, "K.K. Birthday" can be played in villagers' houses during their birthday. It also plays in the inviting villager's house on the player's birthday. K.K. will perform this song on the Saturday near the player's birthday. Unlike, K.K. gives an aircheck of this song.

In
In, "K.K. Birthday" can be played in villager's house during their birthday. It also plays on inviting villager's house in player's birthday. K.K. will also perform this song on the player's birthday, after which he will give the player the aircheck.

In
In, "K.K. Birthday" is played in the houses of Bunnie, Jingle, Melba, and Zipper.