On "Highway 20 Ride," the fourth single from Zac Brown Band's million-selling "The Foundation," there's no fried chicken, no beer and no sand to be found. Consider it a sign of frontman Brown's softer side, and proof he and his bandmates can do more than have a good time. The song, about shared custody of a young son, will hit home with the country audience and beyond. The subject matter isn't unique-Craig Morgan's "Every Friday Afternoon" and Reba McEntire & Kenny Chesney's "Every Other Weekend" come to mind-but there's something poignant about how it's addressed here. Brown's distinctive vocal and the group's harmonies capture the pain that accompanies the wrenching decisions parents often make.