What does a capo do and why do I want one?| | | | | | A capo is a device that clamps down across the guitar's fingerboard at a particular fret. Capos can operate by means of elastic, springs, or even threaded bolts, but they all serve the same purpose they shorten the length of all the strings at the same time, creating, in effect, a new nut. All the "open" strings now play in higher pitches than they do without the capo.
How much higher? One half step for each fret. If you place the capo at the third fret, for example and that's actually just before the third fret (toward the tuning pegs), not directly over the third metal fret wire the open E strings become Gs (three half steps higher in pitch than E). All the strings become correspondingly higher in pitch as well B becomes D; G becomes B flat; D becomes F; and A becomes C. By the way, you can't play anything below the capo only above it on the neck.
A capo therefore enables you to instantly change the key of a song.
Great fun for esperimenting with keys you wouldnt usually play in. | | | | | |
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