articleThe Brief Boys II Men will sing the National Anthem at the 2025 NFL season opener Thursday night. The group will sing at Lincoln Financial Field, where the Eagles will play their rival Cowboys. What we know:The group will sing at Lincoln Financial Field. The last time was when the Eagles opened the season in 2018 by unveiling their Super Bowl LII banner. All three members of the singing group are Philly natives, having attended the Philadelphia High School for Creative and Performing Arts.