The Song Remains the Same Lyrics

Lyric discussion by staleph1sh 

Cover art for The Song Remains the Same lyrics by Led Zeppelin

one of led zeppelin's best. i can't believe no one's commented on it. i think it's actually about a dream plant had. where he went to different parts of the world, and the "song" was always the same. i think song is metaphorical, but i don't have a clue what it could represent.