K.K. Jongara
From Nookipedia, the Animal Crossing wiki
"K.K. Jongara" (けけじょんがら) is a K.K. Slider song introduced in Animal Crossing: New Leaf. Jongara is a genre of Japanese folk music from the Tsugaru area in nowadays Aomori Prefecture. The song is quickly paced and has an Asian theme to it.
Croque, Blanche, Greta and Wade all will play this song on their stereos if they have one.
Phil is featured on the album cover alongside K.K Slider.