Who? I have not ever heard of them
You are write
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The difference is when you draw by memory you won't remember every tiny detail, and you make/draw it in your own way vs. having the object in front of you you can copy it almost exactly.
I think the title of a work could definitely change its meaning for the viewer
Answer:
Solfeggio is the use of sol-fa syllables to note scale tones, that is, solmization. Solfeggio is also known as a singing exercise where syllables will be used other than using texts.
hope this helps! <3