Fin.K.L released four albums, two mini-albums (noted by the “.5”), and a digital album between 1998 - 2005. The group’s music is mostly up-tempo, high energy pop, sometimes grounded with slower ballads. Their early songs feature innocent lyrics about the various stages of discovery and emotional development in teenage and young adult relationships.
By their second full album, Now, the group presents a decidedly mature and sexy image, opting for songs with more mature content. This content also offers them opportunities to use their vocals more freely, which they demonstrate in their releases from subsequent albums Melodies & Memories and Forever. By the time they return with their digital single, Return of Queens, all members seem completely at ease with their vocal skills, unique personalities, and individual fashion sense.