Electro pop phenom Amber Liu—formerly of internationally famous K-pop group f(x)—is a multiple threat: She’s a singer, songwriter, rapper, a Korean TV star, and is now making her first big push into the States, touring in support of her just-released EP X. Liu’s emotive, soulful vocals combine introspective lyrics over tight beats to produce thoughtful club bangers that are easy to dance to. Though a newcomer to American pop, Liu nevertheless comes off as if she’s successfully graduated from a master class taught by Madonna, Belinda Carlisle, or any number of great dance artists from the ’80s. by Wm. Steven Humphrey