Two things:

* User views its devices, from a /manage index link
* Yavsc.Server resurection

Yavsc.Server/Models/Musical/Profiles/FormationPerformerProfile.cs

@@ -0,0 +1,12 @@
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using Yavsc.Models.Workflow;
+
+namespace Yavsc.Models.Musical.Profiles
+{
+    public class FormationPerformerProfile
+    {
+        [InverseProperty("WorkingFor")]
+        public virtual List<CoWorking> CoWorking { get; set; }
+    }
+}