Do the tones move UP or DOWN? Example 1 https://primospiralseries.com/wp-content/uploads/2015/06/Treble_E-Maj-tetrachord_up1.mp3 Example 2 https://primospiralseries.com/wp-content/uploads/2015/06/Bass_C7_down.mp3 Example 3 https://primospiralseries.com/wp-content/uploads/2015/06/Bass_up_E-Maj-tetrachord_up.mp3 Example 4 https://primospiralseries.com/wp-content/uploads/2015/06/Treble_C-Maj-tetrachord_down.mp3 Example 5 https://primospiralseries.com/wp-content/uploads/2015/06/Treble_D7_down.mp3