"And now meet your brother, the cello. He also looks much like you, but is so big that it would be impossible for the player to hold him under his chin. So the cello is held between the knees."

"The cello has a beautiful, mello sound and is often used for solo passages. He is the tenor voice in the string family."

When she heard this the little violin scrunched all her strings together in a worried look."

"Don't worry, my little friend," said the piano. "You will continue to have solos in the orchestra. But remember, as part of a family, you will have to learn to work together."

Now the violin was truly excited. "You said there were four members in my family. Who is the fourth?"