Zac Brown Band just pulled off what they described as "the biggest giveaway in history" at their sold-out show at Boston's Fenway Park on Sunday night (Aug. 2). Zac Brown Band Gives Entire Crowd Free Cruise a Free Cruise — Worth Over $40 Million In TotalMore than 37,000 fans left the Zac Brown Band's Aug. 2, 2026, concert at Fenway Park with an unexpected gift. According to the Boston Globe, everyone in attendance received a free Margaritaville at Sea cruise, a giveaway worth more than $40 million in total. Brown told the crowd that the band was presenting each of them with a cruise aboard Margaritaville at Sea - a stunning announcement that left most of the 35,000 fans in attendance in shock. Why Did Zac Brown Giveaway Free Cruises to Entire Concert Crowd?