The main instruments, elegantly simple, are easy to read and use.

For the first time, the two main instruments are connected.

Usually the trio is called after the main instrument in the group.

I wanted my voice to be the main instrument.

He immediately adopted it as one of his main instruments.

He got up, and ran downstairs to the main instrument in the living room.

It was the main instrument of destruction used against Japan.

He thought it was the main instrument of the world government.

Activities aimed at structural reform have been made the main instrument of development.

I've always believed that the voice is the main instrument, and I wanted it heard.