Boasting a repertoire bubbling over with hits including the heartfelt singalong "Heard It in a Love Song," the testifying "Fire on the Mountain," and the explosive testimony of "Ramblin,'" the genre-crossing rockers of The Marshall Tucker Band headline a June 7 concert event at Davenport's Rhythm City Casino Resort Event Center, the ensemble famed for incorporating blues, country and jazz into an eclectic sound, and helping establish the Southern rock genre in the early 1970s.