The Darnell Boys of Athens will perform at 7 p.m. Jan. 18 at the Schaefer Center for the Performing Arts, 125 W. Doyle St. in Toccoa, as part of the New Harmonies Concert Series. The concert is free. Formed in late 2010, the Darnell Boys originally consisted of three brothers: Austin (guitar, harmonica, vocals), Caleb (lead guitar, slide guitar, vocals) and Gus Darnell (guitar, harmonica, percussion, vocals).