Two men and two women—a unique lineup of three siblings plus a cousin—Circus debuted in 1978. After several member changes, they are now a four-person group spanning parent–child generations, active under the theme of "Tsunagu" (To Connect). As they reach 47 years of activity, they remain Japan’s pioneer vocal group, transcending generations and genres. Please enjoy the moment when beloved songs that make you want to hum spontaneously are reborn in Circus’s harmonies.