Which song is harder to play on guitar Thunderstruck or Evening star

Pick the song you think is harder to play on lead guitar than the other. Also I would recomend you hear both songs before you pick here is the link to evening star http://www.youtube.com/watch?v=iFzuaE-lhT8 and here is the song thunderstruck http://www.youtube.com/watch?v=RukUetw0hAM . also listen to the whole of the two songs before deciding and remember this is what song is harder to play on lead guitar.