Minor 3rds Playing by Ear – Chord 1 2 Now we will learn to hear Minor 3rds played together as a chord. A Minor 3rd played as a chord sounds like this:November 26, 2012 1 2 Now we will learn to hear Minor 3rds played together as a chord. A Minor 3rd played as a chord sounds like this: Minor 3rd – Chord Please press the exercise button.