Did Led Zeppelin steal hit riff?

Compare for Yourself: A Philadelphia lawyer is gearing up to sue Led Zeppelin for allegedly stealing another band’s music for their classic ”Stairway to Heaven”. It’s alleged Led Zeppelin lifted the opening riffs from a 1968 instrumental called ‘Taurus’ recorded by Los Angeles psychedelic band – Spirit.
Stairway to Heaven recorded in 1971
Taurus recorded in 1968
This is the two riffs played simultaneously without digital altering or tempo tampering.
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