He played a famous song on the piano.

He is an excellent arranger, and has produced many musical works.

Polar bears live in extremely cold areas.

He is good at playing Beethoven's variations.

We should always remember the power of Kannon in difficult times.

He always acts without questioning right and wrong.

He composed a fantasia for the piano.

He always acts considering right and wrong.

He is improving his piano skills by playing etudes every day.

This old radio uses a tetrode.