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.
Definition of crossover. 1  1 : crossing 2a. 2  2 : an instance or product of genetic crossing-over. 3  3 : a voter registered as a member of one political party who votes in the primary of the other party. 4 : a broadening of the popular appeal of an artist (as a musician) that is often the result of a change of the artist's medium or style; also : an artist or artistic work that has achieved a crossover. 5 : an instance of breaking into another category.