It is not to be confused with Price elasticity of supply. Price elasticity of demand (PED or Ed) is a measure used in economics to show the responsiveness, or elasticity, of the quantity demanded of a good or service to a change in its price, ceteris paribus.
Resolution in western tonal music theory is the move of a note or chord from dissonance (an unstable sound) to a consonance (a more final or stable sounding one).
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 Åke(sutora), orchestra (from English orchestra).]