In the past 24 hours, two major recording artists have released dance-heavy videos. The first is Britney Spears, whose Jonas Åkerlund-directed video for “Hold It Against Me” is full of slick moves by Spears and a phalanx of backup dancers. The second, surprisingly, is Radiohead, who cede the floor to Thom Yorke and let him slip and slide all over the clip for “Lotus Flower.” Let’s watch the two clips and put them in music’s most unlikely dance-off ever!