By growing it in the dark it means the rhubarb doesn’t place any energy and nutrition into growing leaves. So it puts everything into the edible stem and grows taller, more nutritious and tastier.
The candle light is just tradition. You could use electric lights if you wanted.
According to the comments, the band is known as Chili Dawg and the Pound. This guy is 23 years old. He was performing in Nashville, TN, at Tootsie’s Orchid Lounge. He was booked on aDUImore or less right after this gig.
The song is a cover: “Beer Never Broke My Heart” by Luke Combs
