Celemony authorized dealer Celemony is best known as the makers of Melodyne, the product we sell the most of here at The Midi Store. Melodyne lets you work with audio in an entirely new way. One that is musical, nifty, crystal-clear and almost magical. Working with Melodyne is like being able to say to a singer âhold this note a bit longerâ or to a pianist âgive slightly less weight to the third in this chordâ â hours, weeks, even years after the recording session. The coolness and creativity factors are off the charts, so check it out Melodyne, your music will never be the same!