Musikmesse & Prolight + Sound 2018 To Strengthen Ties, Focus On Professional Encounters News by Thomas Richard - November 13, 2017 Musikmesse (11 to 14 April 2018) and Prolight + Sound (10 to 13 April 2018) will bring together companies with retailers, professionals from the musical-instrument, event and media-technologies sectors, as well as musicians from all over the world. In 2017, the two events attracted a total of around 100,000 visitors