This day in music history.

April 2, 1971, Led Zeppelin plays at the Paris Theatre in London.
The band played "Immigrant Song" , "Heartbreaker." "Since I've
Been Loving You" , "Black Dog" , "Dazed and Confused" , "Stairway
to Heaven." , "Going to California" , "That's the Way" , "What is and
What Should Never Be," "Whole Lotta Love" . They also did a medley
that included "Boogie Chillen," "Truckin' Little Mama," Fixin' to Die,"
"That's Alright," "For What it's Worth," "A Mess of Blues," "Honey Bee,"
and "The Lemon Song" This show will go down in history as one of
the great rock concerts of all time. The young men in the front row
slammed their heads on the stage to the beat of the music. Jimmy
Page seeing this coined the term "Head Banger"