#1
In Power tab they have those ghost notes and i have no idea what they do. What do you do with them?

And...

In normal tabs they have notes with (). How would i play (7)... like whats it mean?
#2
I believe they are tied rhythms they are held for two beats each you don't rearticulate the notes in parentheses.
#3
i think you play 'em less loud than normal notes...i think about half of the power u use for a normal....!
if you listen to it, you'll get it
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Fender Fat Strat HSS
Les Paul Replica
Fender Frontman FM210R with 65watts
Boss DS-1
Korg AX3G Multieffect-Pedal
#4
A lot of the time ghost notes are just notes that you can't really hear in the long run. Normally when playing riffs, they're just an octave chord where you can't hear the second note. Like this;

A---7--l
E---0--l

Each note is an E, but one is an octave higher, so you can't really hear it
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