Popsugar Celebrity The Royals Prince Harry Singing "So Long, Farewell" From Sound of Music Prince Harry Sang Sound of Music During a Royal Outing, and It's Now Our Favourite Thing 14 March 2019 by Kelsie Gibson View On One Page Photo 5 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 Previous Next Start Slideshow The RoyalsThe British RoyalsPrince Harry