Acoustic-based Americana/roots and swingin' blues/rockabilly. Originating in Black Mountain, N.C., Floating Action is the project of the multi-instrumentalist Seth Kauffman. Asheville-based duo Mad Tea Party — singer/ukulele player Ami Worthen and guitarist/singer Jason Krekel — look and sound like a polite rockabilly act from the late 1950s. 8 p.m.