I’m stuck on a Management question and need an explanation.

Robert Plant, the lead singer of Led Zeppelin, is considered a quintessential singer-songwriter. He has asserted that one-third of Led Zeppelin’s sets were acoustic. For example, Led Zeppelin’s “Stairway to Heaven.” Using the internet or your phone, listen to the following song:

Yet, Led Zeppelin is considered an “early heavy metal” band. How did Led Zeppelin influence heavy metal music? Choose a heavy metal song (use the mashup tool) and explain how this song may have been influenced by Led Zeppelin.