Train your ear on real four-part harmony. Hear a few bars of a J.S. Bach chorale, then name the chords you hear in Roman numerals — the harder cousin of the arcade chord quiz. All public domain.
Name the chords
Hear one bar of a Bach chorale. Some chords are shown and labelled to orient you — the ones you name are blanked out on the score, so you have to identify them by ear. Click a chord to hear that beat.
Name only the tonic (I) and dominant (V) chords.
0streak
0best streak
–accuracy
Click a “?” chord to hear it, then pick the Roman numeral you hear — revealed on the staff when you check
…and its inversion (figured bass)
Press “New round” to begin.
Browse the chorales
Bach's chorales are the classic harmony textbook — clear, one chord at a time. All public domain. Explore any of them here.
Pick a chorale and press play.
Chorales: J.S. Bach (d. 1750) — public domain worldwide, sourced from the music21 corpus and played here on a sampled grand piano. This is the foundation for a harmonic-dictation game: hear four bars, then fill in the chords.