This program is designed to introduce "A Cappella" in the form of a song introduction. Through the introduction of each song or each album, “A Cappella” is brought directly into the program and can be integrated into the life of the student community, and through the host's expertise in "A Cappella", international "A Cappella" is introduced in an in-depth manner. The music is played and introduced according to the theme, and independent musicians, foreign "A Cappella" teams or recent participating domestic teams are invited to the program to share music and explain different kinds of music, from a completely ignorant in music to understanding some music, and from understanding some music to having a subtle connotation of it.