There is a skirmish between the hero and the villain. Fabrics whip about, horse hoofs trample, and a dying scream erupts as Saint George slaughters the dragon.

Long before Roger Federer's One-Handed Backhand Boys serenaded the world, teenager Andrey Rublev was in a boy band of his very own. The 19-year-old US Open quarterfinalist formed the band Summer ...