GUITAR THEORY AND EAR TRAINING

Guitar Chord Calculator

This tool works on Windows and Mac desktops and laptops; it may not display well on some tablets and phones.



This chord trainer lets you practice spelling chords in terms of the classical Roman numeral system of chord notation used in music schools. This has everything, including spellings for those dastardly Neapolitan chords, borrowed chords, secondary dominants, and secondary leading tone chords! Note: this will only be useful for those who have previous experience and understanding of the Roman numeral system of notation.

Highly recommended by Douglas Niedt for frying your brain.