How to Communicate Emotion Through Music Composition and Recordings

What are my techniques for evoking emotions in music? For composers of any skill level, this is my process for expressing emotions in my piano music.
Mindset
For any artistic endeavor: visual, language, dance, theatre and music, you must internalize the emotion first. What are some images or events that you associate with happiness, sadness, anger, fear, disgust, and the many sub-emotions that further modify these categories?
If you have trouble identifying specific emotions, a feelings wheel might be a great place to start for adjectives.
Put yourself in the place of feeling the emotion you want to capture. Sometimes it might be related to your current situation, so this might be easier to tap into.
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