Tynan has sung "God Bless America" at sporting event venues, such as Yankee Stadium (during New York Yankees home Major League Baseball games, including Opening Day, nationally televised games, the last game at the old Yankee Stadium, and playoff games) and on several occasions prior to games involving the National Hockey League's Buffalo Sabres including a performance before 71,217 fans at the AMP Energy NHL Winter Classic along with Sabres anthem singer Doug Allen, who performed the Canadian national anthem, on 1 January 2008, when the Sabres played the Pittsburgh Penguins. Tynan has not performed for the Sabres since Terrence Pegula purchased the team in 2011. Most recently, he sang Eagles Wings at the 2017 Memorial Day Concert.