sing along with somebody

The individual person usually changes throughout the group of people singing along with each verse.

By the second class session most children are already singing along with the songs, although they may not yet understand the words.

She would sing along with the radio, country or rock music.

I sang a song under my breath, along with all the rest.

In the past dancers would sing along with a song.

To stay awake, she sang along with the radio in his room.

At other times John would get me to sing along with him.

But odds are against anyone ever singing along with the chorus.

And at least she could sing along with the others.

After about 30 minutes, the musicians asked us to sing along with them.