Making the music sound like the text being sung is called

This is called as Word Painting. Word painting is making the music sound like the text being sung. Word Painting is also known as the Tone Painting. The word painting also shows the literal meaning of the song. In music painting it also shows the emotions and the ideas of the music. 

well seeing i am an artist and i actually did a self portrait; i will describe how i painted it.   i used acrylic on a stretch canvas about 4 feet wide by 6 feet tall. i painted myself smiling in a soft pink long dress, white tile floor sitting on a white couch with a table behind and a vase of gorgeous flowers.   i also had a round white hat with a soft pink ribbon through it laying on the floor and on the table behind me was a lit candle. i kept it simple but soft and romantic.