<human>:  What is the meaning behind the song "Stairway To Heaven" by Led Zeppelin?
<bot>: The song "Stairway To Heaven" by Led Zeppelin is often interpreted as being about spiritual ascension or metaphorical journey to heaven. The song's lyrics describe a journey, beginning with a person's earthly life and then ascending towards spiritual salvation. It can also be seen as a metaphor for the musician's own journey through life, with lyrics emblematic of achieving one's final destination.