ortofon concorde music blueOrtofon Concorde Music Blue Ortofon Concorde Music Blue is an MM cartridge developed for vinyl enthusiasts who want more detail, better resolution, and a more open soundstage from their turntable. The model builds on the Concorde Music Red, but is equipped with a Nude Elliptical diamond stylus, which provides more precise tracking of the record groove and reduces distortion. At the same time, the well known Concorde design makes installation simple.