Sound Thinking Chord Finder — Sound Thinking Documentation  — — All about Guitar Chords and Guitar Chord Charts — The world's finest virtual chord book & scale guide! Explore any guitar chord or guitar scale in popular guitar tunings like EADGBE, DADGAD, DADF#AD, GDBGDB, DGDGBD, or ANY altered tuning. Works with any any tuning, any stringed instrument, up to 10 strings. Sound Thinking Documentation (Instructions for using this chord and scale encyclopedia.) —  This version under construction. Chord progressions and chord voicings coming soon —  If you're trying it out, let us know what you think! Contact: Theoretically Correct   TheoreticallyCorrect.com home page | Contact: Theoretically Correct