He paused, his voice taking on a solemn air.

The content of the lyrics is generally serious in nature, as appropriate to the solemn air of the music.

The waiters have a solemn air, the cooks don't talk.

"Don't come too close," he admonished us with a solemn air.

The young woman raised her head with a solemn air.

He placed it on the table with a solemn air.

The house on Berkeley Street had the stunned, solemn air of a place in mourning.

He took the king's velvet cap with solemn air, and put it on.

He took in the bustle with a solemn air and told her gently that she should not take advantage of the citizens.

With her reserve and solemn air, she was suited to its service.