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.
Crossover refers to a record intended for one market that succeeds in another. the situation of a black artist recording a song written by a white composer. a term coined by the DJ, Alan Freed, to refer to rock n roll music. a record intended for one market that succeeds in another.