He works in the general affairs department of that company.

What is the overall population?

His speech skillfully used interjections, captivating the audience.

He listened to the news with an apathetic face.

He shows an apathetic attitude towards everything.

They are my best friends.

Please try to test-play the new guitar.

Let's try a test play of the piano.

He participated in the ceremonial music at the palace.

I was able to perform a song in front of the emperor.