Zac Brown Band's Jimmy De Martini On Their First Grammy Nod In Four Years

Zac Brown Band landed another Grammy nomination recently – it's first in four years – for "My Old Man." The nod came in the Best Country Duo/Group Performance category, which puts them in competition with Little Big Town, Lady Antebellum, Brothers Osborne, Midland. What's it like after all this time? ZBB's Jimmy De Martini is…