Quick Win #3

Authentic And Plagal Lines

Here's a quick summary of the main takeaways from this Quick Win!

Authentic melodies happen in-between scale tone one and its octave position. Plagal melodies happen in-between scale tone five and its octave position.
The strongest rest points of a scale are scale tones one, followed by three and five.
Authentic lines sound more satisfying and 'stronger' to our ears.

Advice

You can use authentic and plagal lines to give more structure to your composition.