what kind of bend?

[naikvin]

could anyone tell me how to play this

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---------------4b6b4------------------
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this appears in the intro solo of ONE by Metallica
i am pretty confused as to what kind of bend is this. while playing
the solo i just hammer-on (4h6).it sounds almost the same but not perfect .
if theres anybody who knows to play the solo or the bend please
help me

[smfulla]

that means is bend up to the 6th fret, which means a full step
then release.
in your case you have 2 bends, the second b is supposed to be an r meaning release

[froj]

yes, just bend your string on 4 till it sounds like you are playing a normal note on 6 then bend it back down to 4 again

[naikvin]

oh so it means a wholestep bend and release

thankyou verymuch