Siblings; Davis & Madison Gestiehr make up "Davison Duo" Davis is a 17-year-old, Blues/Alt. Rock singer-songwriter from Bethesda, MD. Davis began writing & playing music more than 12 years ago at the age of 5. The young composer and performer already has 3 award winning songs on iTunes with the all proceeds going to charity. Davis has performed with the band Green Day twice, been on AGT Season 10 with his sister, Madison as the Davison Duo. Davis also sings the National Anthem for the Baltimore Orioles, Washington Nationals, Washington Wizards, D.C. United, Washington Mystics, Washington Kastles and many collegiate teams. The Duo has performed over 200 times at venues in the DMV area, including; The Kennedy Center, The Senate on Capitol Hill, The National Mall, The Verizon Center/Capital One Arena, Xfinity Center, The Patriot Center, Charles E. Smith Center, Merriweather Post Pavilion, Nationals Park, Camden Yards, Audi Field, Bethesda Blues & Jazz Club, The WharfDC & Jammin Java.