More to explore:
The Art of Christmas Tree Lighting | Real Simple (don't wrap lights around the tree, but weave in and out vertically, starting from the bottom) This is how they string lights onto the Rockefeller tree
The Art of Christmas Tree Lighting | From Real Simple - putting Christmas lights on in up-and-down sections rather than in a circle! This makes so much more sense!
Real Simple Christmas tree lights
The Art of Christmas Tree Lighting | Real Simple | genius!! this is how they hang the lights on the rockefeller tree in new york city. i have been doing it all wrong all these years
Technique on putting lights on a real Christmas tree