With "We Love Harmony!" as their rallying cry, Circus—a four-person act spanning two generations of parent and child—returns to the Billboard Live stage this year, delivering refined harmonies. As pioneers of a mixed-gender chorus group, they have continued for over 40 years through lineup changes, carrying hit numbers such as "Mr. Summer Time" and "American Feeling" to audiences nationwide with a soothing groove. In an intimate club setting, enjoy a moment savoring covers of era-defining songs from Circus, a group that has evolved with the times.