Fundamental knowledge of mathematics is necessary for daily life.

The bass clef is one of the basic elements of music.

The success of this project is a combination of many components.

It is important to learn the basic grammar of Japanese.

He ate one apple.

The treble clef is often used in musical scores.

He is good at reading the treble clef.

I like listening to music.

What does this symbol mean?

The sound was so quiet that I could hardly hear it.