The title of the song doesn't refer narrowly to a roulette wheel, but rather more broadly to "Lady Luck". It's essentially U2's version of "Luck be a Lady Tonight". The "spinning head" simply refers to the fact that Luck is constantly changing her mood.
The title of the song doesn't refer narrowly to a roulette wheel, but rather more broadly to "Lady Luck". It's essentially U2's version of "Luck be a Lady Tonight". The "spinning head" simply refers to the fact that Luck is constantly changing her mood.