"Sweet Song" is a single released in early 2009 by "Lady Bird feat.

[4] The main track "Sweet Song" had been a popular song in the Shibuya club scene and originally performed by another singer in Club Atom, a disco where DJ Ten had been scratching.

[4] DJ Ten and Kazuhisa Hirota formed Lady Bird in late 2007[5] and auditioned many female vocalists for "Sweet Song"'s major release, before meeting Wei Son, a fashion model who had appeared on the Popteen magazine.

"Sweet Song" appeared on the Oricon singles chart 3 times, peaking at #47.

[7] "Sweet Song" was later included in Lady Bird's first album STYLiST,[9] and track #3, "Sweet Song (DJ Kaya Remix)", was featured in Dancemania's Hime Trance 4.