Multiplication in music means adding multiple layers of sound on top of each other to create a more full and complex sound. It's like coloring with lots of crayons instead of just one!
Let's say you have a song that starts with a simple melody, played on a piano. If you add another instrument, like a guitar, playing the same melody but slightly different, you are multiplying the sound. It's like having two people singing the same song at the same time, but with different voices.
But multiplying doesn't just mean adding more of the same thing. You can also add different sounds to the mix to create something completely new. For example, if you add a drum beat to the piano and guitar melody, you create a whole new layer of sound that makes the song more exciting and dynamic.
Multiplication is an important tool used by musicians and producers to make their music more interesting and complex. It's like building a tower with lots of blocks instead of just one - the more blocks you add, the taller and more impressive the tower becomes!