Led Zeppelin’s lost masterpiece, “Swan Song” is an unfinished piece of music history most recognized by the iconic rendition of Icarus featured in this multi-colored graphic. And although it’s hard not to wonder what the song could have become had they actually finished it, it’s a part of music history that’s significant to the group’s lasting legacy. As a final touch to this must-have merch tee, Led Zeppelin’s 4 occult icons are stamped on the back. Icons for icons, fitting.