That’s where capos come in. Whoever invented the guitar must have already thought of the capo, which compensates for the unfriendly keys. A simple idea, it effectively moves the nut up the neck by clamping down all all strings at once. The result is to raise the overall pitch while keeping the relative tuning of all the strings intact. This allows the player to choose another key to play in, a more friendly key. I should really say ‘pretend key’ because the key doesn’t change at all. Only the fingering changes, as if it were a new (friendly) key.

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