...for "Stairway To Heaven".  The suit was filed by the estate of the late Randy California; guitarist, singer and song writer for the band Spirit. The suit claims that "Stairway To Heaven" was lifted from Spirit's "Taurus". Led Zeppelin was an opener for Spirit on the road when Zep was a new Band. Hear both songs below (not that you don't know what "Stairway to Heaven" sounds like!