This Heavy Metal wallpaper contains
sinal, cartaz, texto, quadro-negro, assinar, and quadro de giz.
There might also be
jersey, camisa de t, t-shirt, t shirt, and tee shirt.
How HEAVY METAL PARKING LOT Went Viral Before The Internet Existed por Jeff Krulik (the infamous 80's doc at Judas Priest concert) via linkMore video interviews at link