It has become a real tradition at Slide Factory: the masterclasses. Prior to the festival, trombone students from various conservatories come together to have lessons by some of the festival artists. The students from Codarts Rotterdam, Royal Conservatory The Hague, Fontys Conservatory Tilburg and Amsterdam Conservatory. After a week of intensive cooperation, the festival audience has a chance to experience what the students have learned. George Curran, Håkan Björkman and Randall Hawes give a short presentation on how they work with the young trombonists.