Jack johnson Flash News : Concert review: Jack Johnson brings mellow vibe (The Kansas City Star) An hour after the gates opened and an hour before the show started, Jackjohnsontickets , Jack Johnson already was working. In a small booth usually reserved for local radio broadcasts, he joined Zach Gill, a singer/songwriter on Johnson’s label, for an intimate pre-show performance. It was a surprise and a treat for fans lined up 10 deep to buy merchandise. Review Discount tickets and Jack johnson history in the meanwhile take some time and check our ticket Jack johnson seating chart information and news.