ChordLab!

Harmony is a difficult and complex part of music theory with chord spelling and construction at its very basis. What is a chord? Features:Chord spelling for all common chords found in fake booksMusic notation and textual representation of chord tonesChord analysis to correctly identify triads and seventh chords Alto, bass, tenor, treble clefs, TAB and grand staff All possible inversions All standard voicingsAll common open and alternate tunings presets (guitar)Alternate fingerings (guitar)Virtual piano and guitar instrumentsChord tone labeling in instrument viewsChord ratingAutomatic reduction to 3 or 4 voices Automatic root and fifth substitution Key signatures for all major modes (circle of fifths) Degree structure in Roman numerals for all major modes (circle of fifths) Support for left-handed playersHigh quality guitar and piano samplesEuropean and American chord notationArpeggiated and block chord playbackMIDI supportSupport for sound librariesSupport for 4 screenHigh resolution graphics for RetinaAcademic discounts availableFor more screenshots and several videos of the application in action, please visit the website indicated below.