this may be a simple question but im what one would consider completely null of theory knowledge save the booster of having been in middle school band, what tuning/key/notes are my open strings when I have my guitar pre-capo, a half step down and capo the second fret.
closed as unclear what you're asking by Todd Wilcox, ttw, Stinkfoot, topo morto, Dom♦ Apr 8 '18 at 21:27
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A semitone down when open? Eb Ab Db Gb Bb Eb. Or - D# G# C# F# A# D#. All one semitone lower than standard.
Capo them on the second fret? F Bb Eb Ab C F. Or - F A# D# G# C F. All one semitone higher than standard.
It has occurred to me that perhaps you've been shown open tunings for your guitar. If that's the case, the key would be determined by the open chord you have used in order to achieve the open tuning. Also a semitone down when open might indicate a popular method for tuning twelve string guitars, in which case Tim's got you answer above.