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.
The Crossover. The Crossover is a 2014 children's book by American author Kwame Alexander and the winner of the 2015 Newbery Medal and Coretta Scott King Award Honor. The book, which is told entirely through verse, was first published in the United States in hardback on March 18, 2014 through HMH Books for Young Readers.