Iconic Decision: Cumulus WKOS (Nash FM)/Tri-Cities, TN has adopted the company's turn-key Nash Icon format, featuring Marty McFly (mornings), Lisa Manning (middays), Scott Gaines (afternoons) and Darlas Rai (evenings), who are based in Nashville. PD/afternooner J.B. Stone continues in his programming role, but he relinquishes his airshift. No other staff were affected by the change.