Melda MChorusMBChorus is an essential tool for guitars and keyboards to bring out space and width. MChorusMB is not only potentially the best sounding chorus effect on the market, but also the most versatile one. If you aim for an ultimate chorus with both audio quality and features, then this is the plugin is the one that you have been searching for. One of the differences between a high end chorus and a cheap toy is in the decorrelation (separation) of each voice.