How to use "chorus" in a sentence

The mystic chords of memory, stretching from every battlefield and patriot grave to every living heart and hearthstone all over this broad land, will yet swell the chorus of the Union when again touched, as surely they will be, by the better angels of our nature.

When Danny was six months old, Tina went into training to get back in shape, and after three arduous months of exercise, she won a place in the chorus line of a new Vegas spectacle