Tritones – Playing by Ear Chord 1 2 In the next lesson, you will play a tritone by ear harmonically as a chord. Here is what a tritone sounds like as a chord. Tritone - Chord Please press the Exercise button below.January 16, 2013 1 2 In the next lesson, you will play a tritone by ear harmonically as a chord. Here is what a tritone sounds like as a chord. Tritone – Chord Please press the Exercise button below.