Yes, Zac Brown is indeed the lead singer of the Zac Brown band.
Crossover definition, a bridge or other structure for crossing over a river, highway, etc. See more.
Fusion is the process of combining two or more things together into one. If your favorite genres are Westerns and reality dating shows, maybe when you become a TV executive, you'll create a fusion of the two, where competing dates have shoot-outs in saloons.