Stairway to heaven

Led Zeppelin's singer Robert Plant wrote in 1971 this Rock-ballad-classic "Stairway to heaven" and is still recognized as one off the major influencing written pieces of music in history.

Ann and Nancy Wilson of "Heart", along with Jason Bonham (Son of Led Zeppelin's drummer John Bonham who died in 1980), playing Stairway to Heaven as a tribute concert for Led Zeppelin on Dec. 2, 2012 at Kennedy Center. 

Always thought as being a hard song to perform live. Please stick to the 4:00 minutes marker, where the song opens up in a shot climbing the "stairway to heaven".

It was televised by CBS on Dec. 26, 2012, but as a short version. 
This is the full version released on iTunes in 2013.

No copyright infringement intended.