Stairway to Heaven

He's kidding. Of course, it was actually a reference to Peter Frampton

 

Led Zeppelin's 'Stairway to Heaven' Targeted for Plagiarism: Lawyers representing the group Spirit claim song's intro resembles their 1968 track "Taurus" (Kory Grow, Rolling Stone, May 19, 2014)

This is "Taurus:"

[video=youtube;xd8AVbwB_6E]http://www.youtube.com/watch?v=xd8AVbwB_6E[/video]

Wikipedia notes similarities in turn between "Taurus" and the earlier "Cry Me a River" by Davey Graham:

[video=youtube;tWeejHJxGjs]http://www.youtube.com/watch?v=tWeejHJxGjs[/video]