Ramones vs. Led Zepplin? You could argue either, but I think it's gotta be the Ramones. Both basically started a new genre within rock n roll, but which is more important? Punk or Hard Rock? And I would say that The Ramones were a more ground breaking. Led Zepplin has gained more general popularity, and may have even influenced more bands, but the bands that have been influenced by The Ramones are much better than the bands that have influenced Led Zepplin in general. So I would say Ramones
And I would say Black Sabbath before I would say Led Zepplin