Brando
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there are a Couple of New things, One is Some New skills to learn (some old ones to, because why not)
and finding out the differnt brands of Guitars Amps Pedles Ect and their different sounds,
that being a metal to acoustic range, country and so on.
What Can Be Learned: And its Difficulty
S w e e p i n g
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D e j e n t i n g
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P a l m . M u t i n g
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P i n c h . H a r m o n i c s
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P O W E R . C h o r d s
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C h o r d s
Basically
This list telling you whats missing, and several photos