Led Zeppelin is known to be one of the greatest rock groups of all time. Like most early hard rockers, they took plenty of "influence" from the Blues.

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Did Zeppelin take influence from these songs or just blatantly rip them off?

Lawyers representing the group, Spirit, have recently claimed that their song "Taurus" is plagiarized on "Stairway to Heaven."

In light of these claims, more of Zeppelin's hits are being outed as cover songs, take a listen.

"When the Levee Breaks"

Kansas Joe McCoy - 1929:

Led Zeppelin - 1971:

"Moby Dick"

Bobby Parker - "Watch Your Step" - 1961:

Led Zeppelin - "Moby Dick" - 1969:

"Nobody's Fault But Mine"

Blind Willie Johnson - 1927:

Led Zeppelin - 1976:

"Dazed and Confused"

Jake Holmes - 1968:

Led Zeppelin - 1969:

"Whole Lotta Love"

Muddy Waters - "You Need Love" - 1962:

Small Faces - "You Need Lovin" - 1966:

Led Zeppelin - 1969:

"Travelin' Riverside Blues"

Robert Johnson - 1937:

Led Zeppelin - 1969:

"Stairway to Heaven"

Spirit - "Taurus" - 1968:

Led Zeppelin - 1971: