With almost 2 billion YouTube views they done made their investment back on that just in what they made from the views!I read that was the most expensive music vid up until that time.
Dont know what tune was playing when my 1st kid was conceived in '78, but i'm dam sure it was a Zepplin album playing in the backround.
I dont think there was any music on when my daughter was conceived, but I can tell you the first song she "heard"
We listed to this often, her mom and I, while the child was percolating along.