kar·a·o·ke 
(kâr′ē-ōkē)
(kâr′ē-ōkē)n.
1. A music entertainment system providing prerecorded accompaniment to popular songs that a performer sings live, usually by following the words on a video screen.
2. The performance of such music.
[Japanese karaoke : kara, void, empty + alteration of ōke(sutora), orchestra (from English ORCHESTRA).]