Introducing it on Wednesday evening, he vowed to keep performing the song for the rest of his career.

Most audiences embraced the selection and the show kept performing well.

He kept performing on stage until his eighties, also working as a sculptor.

In the following years they kept performing separately, but were recorded again.

It is important for the society to keep performing the new works it introduced.

Although they kept performing the same basic steps, frequent changes of direction made every repetition look fresh.

The only way to do that is to keep performing at a high level.

I can't keep performing at the top level.

"But if the five of us can stay healthy and keep performing at the same level, there should be no problem."

Once installed, it would keep performing this trick with the next person, and so forth.