Je was op zoek naar: minha hist ria verdadeira, copiada da musica (Portugees - Engels)

algumas das letras da versão do led zeppelin foram copiadas da música de willie dixon, uma das favoritas da plant.
some of the lyrics of led zeppelin's version were copied from the willie dixon song, a favourite of plant's.

tony yayo ajudou com efeitos no refrão, copiados da música lupe fiasco's the cool, de lupe fiasco.
this stuttered laughing effect was then later copied by lupe fiasco on his song, the coolest, from "lupe fiasco's the cool".