Playing Minor 2nds by Ear Down 1 2 Now you will learn to hear Minor 2nds played as a chord. This makes a very rough sound which we call Dissonance Minor 2nd - Chord Please press the Exercise button below.October 25, 2012 1 2 Now you will learn to hear Minor 2nds played as a chord. This makes a very rough sound which we call Dissonance Minor 2nd – Chord Please press the Exercise button below.