WRLT (branded "Lightning 100") is an adult album alternative-formatted FM radio station in the Nashville, Tennessee market and located at 100.1 MHz.

Artists as varied as My Morning Jacket, Led Zeppelin, Beck and Brett Dennen can be heard on the station.

Lightning 100 was the first station in the Music City to play artists such as Jason Mraz, John Mayer, Sheryl Crow and Dave Matthews Band.

Programming highlights include the "Lightning Request" lunch hour, the615 each Monday evening (featuring unsigned bands that call Nashville home), the Indie Underground Hour on Thursday nights, and Lightning 100 Unplugged on Sunday mornings.

In 2006, WRLT launched the syndicated talk radio show Music Business Radio, hosted by music marketing expert, consultant, and author David Hooper, and features interviews with various industry professionals giving the listener their insight and expertise into the recording business, particularly Nashville's segment of it.