μλ μλ-νν°μ (Sonyeoshidae-TaeTiSeo), also known as Girls' Generation-TTS, is the first official sub-group of South Korea-based girl group, μλ μλ (Girls' Generation), formed by SM μν°ν μΈλ¨ΌνΈ in 2012. The unit is composed of three Girls' Generation members, Taeyeon (νμ°), Tiffany (ν°νλ) and Seohyun (μν) (leader). Their first album, Twinkle, was released on iTunes and other music service sites on April 29th, 2012, while the physical album dropped on May 2nd, 2012. Read more on Last.fm