music, mucic

Music or music means tones or sounds used to express emotions or ideas, or to evoke memories--
Could you turn the music down, please?
He wants to learn to read music.

Mucic or mucic means derived from an acid usually made from milk sugar, or galactose--
Mucic acid is used in many baked goods.
The tablets used to make soda at home may be made with mucic acid.

Now that you know that, you can say--
"He is writing the music for an ad for a fizzy drink tablet made with mucic acid."

Note--"muzhik" means a Russian peasant--
We found an old photograph of a muzhik standing in front of his farm; we think he's our great-grandfather.

Note # 2--"Muzak" is the name of the company famous for making "elevator" music--instrumental, easy-listening versions of pop songs, played in public places--
They play Muzak where we work, and we can all hum every tune.