The file I usually look for is https://gateway.ipfs.io/ipfs/QmdFVjYwgeuUpw83hBB74Wy4js8SrmmNxt8U2MkdRA2f7m/Audio/The%20Nonviolent%20Communication%20Training%20Course/7%20-%20Healing,%20Mediation,%20and%20Reconciliation/7-06%20Mediation%20between%20groups.mp3 . I hope it's somewhere out there.