This Master Class by Simon Decreuze (France) extends the “Message in a Bottle” workshop and aims to strengthen the skills of young professionals in radio writing, while providing them with tools to master the art of storytelling in podcasting and to captivate listeners. The workshop will open with a presentation of the International Summer Program for Sound Documentary, designed by ENS Louis-Lumière with the support of the Ministry for Europe and Foreign Affairs, in collaboration with Radio France Internationale (RFI)