Karaoke (Japanese: カラオケ, from 空 kara, "empty" or "void", and オーケストラ ōkesutora, "orchestra") is a form of entertainment in which an amateur singer or singers sing along with recorded music on microphone. The music is typically of a well-known song in which the voice of the original singer is absent or reduced in volume. Lyrics are usually also displayed, sometimes including color changes synchronized with the music, on music video to guide the sing-along.