Shame can be a cover for anger. If you feel shame that is a painful feeling about yourself or your actions you may want to cover up this bad feeling and the disguise can be anger directed towards others instead, or yourself. Anger is less painful to feel. https://www.psychologytoday.com/blog/mindful-anger/201607/is-your-anger-cover-sh...

In my dream, I saw a ghost at the piano studying. He won a gaudy prize for it. I was bewitched by his excellence and wanted to enter in his footsteps. I was blushing at this daunting plan, bit my tongue and started playing as well. I woke up soon afterward.