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 break for English Language Learners. : 1  to separate (something) into parts or pieces often in a sudden and forceful or violent way. : 2  to cause (a bone) to separate into two or more pieces. : 3  to open suddenly especially because of pressure from inside.