[Machine Translation] The Busy Four, one of the "Four Heavenly Kings" born out of the "Imitation Championship" that sparked a nationwide imitation boom, perform a variety of songs with their beautiful voices, including Simon & Garfunkel, Elvis Presley, and Billy Joel. The Busy Four perform a variety of songs with their beautiful voices, including those of Simon & Garfunkel, Elvis Presley, and Billy Joel.