St. Lucia are releasing their sophomore album, Matter, this Friday, and last night the exuberant synth-pop group celebrated the 7-day countdown with an appearance on The Tonight Show Starring Jimmy Fallon. The Brooklyn-based outfit played a sparkly rendition of the LP’s euphoric lead single, “Dancing on Glass.” Not a bad way to usher in a the weekend, eh? Check it out below, and look for Matter on January 29.