Mexican restaurant Las Margaritas will offer a free customer appreciation concert Saturday, June 29, at its 4604 Skyview Drive location off Highway 58. The bands Alabama Smith, Passion Play and Ancient Age will perform classic rock and rhythm & blues from 5 to 11 p.m. on the patio. Members of the bands include Pete Halpin, John Fanzoni, Jimmy Young, Kelly “Kiki” Fanzoni, Jack Butler and Daniel James Dixon. For more information, call 423-892-3065.