Hammett did n't appear in two of Metallica 's songs .
Given that Hetfield recorded all rhythm and most harmony tracks on the band 's first five albums and that Hammett has stated he did n't learn how to play the song until they were well into the tour for the album , Hammett does not play on the studio recording , making it one of two songs in the whole Metallica repertoire , along with Cliff Burton 's `` ( Anesthesia ) Pulling Teeth '' , in which he does not appear.
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