"I am thinking about a person long ago who used to sing that song."

From the age of 11 to 18 he used to sing four hours a day.

It's one my mother used to sing to me when I was little.

The song i used to sing to my son when he was going to sleep.

They used to sing about June nights on the river.

It was one of the songs I used to sing back in high school.

She used to sing to herself all the time, and the house was always happy.

What was that old song his mother used to sing?

Where the people used to sing and pray in the church?

"I used to sing it with my friends when we were children," he said.