The Zac Brown Band handed out free cruise tickets to more than 37,000 revelers at its Fenway Park show in what the country star branded “the biggest giveaway in history” worth a whopping $40 million. 3 Zac Brown of the Zac Brown Band announces a major giveaway at Fenway Park Sunday. 3 Zac Brown (above) had teased there would be an “amazing surprise” at the show, according to one fan. The Zac Brown Band and the iconic rapper collaborated on the 2025 track “Let it Run.” Singer-songwriter Grace Potter will support the Zac Brown Band for the New York concerts.