diff --git a/Vocaluxe/Reporting/Reporter.cs b/Vocaluxe/Reporting/Reporter.cs
index e5e74105..2974836e 100644
--- a/Vocaluxe/Reporting/Reporter.cs
+++ b/Vocaluxe/Reporting/Reporter.cs
@@ -1,4 +1,21 @@
-using System;
+#region license
+// This file is part of Vocaluxe.
+// 
+// Vocaluxe is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// Vocaluxe is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
+#endregion
+
+using System;
 using System.Collections.Generic;
 using System.Net.Http;
 using System.Text;
diff --git a/VocaluxeLib/Log/CBenchmark.cs b/VocaluxeLib/Log/CBenchmark.cs
index 60e5818b..19ddf6c9 100644
--- a/VocaluxeLib/Log/CBenchmark.cs
+++ b/VocaluxeLib/Log/CBenchmark.cs
@@ -1,4 +1,21 @@
-using System;
+#region license
+// This file is part of Vocaluxe.
+// 
+// Vocaluxe is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// Vocaluxe is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
+#endregion
+
+using System;
 using System.Diagnostics;
 using VocaluxeLib.Utils;
 
diff --git a/VocaluxeLib/Log/CLog.cs b/VocaluxeLib/Log/CLog.cs
index 3d2ffa9b..da311ec7 100644
--- a/VocaluxeLib/Log/CLog.cs
+++ b/VocaluxeLib/Log/CLog.cs
@@ -1,6 +1,22 @@
-using System;
+#region license
+// This file is part of Vocaluxe.
+// 
+// Vocaluxe is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// Vocaluxe is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
+#endregion
+
+using System;
 using System.IO;
-using System.Linq;
 using System.Text;
 using System.Text.RegularExpressions;
 using Serilog;
@@ -15,8 +31,8 @@ namespace VocaluxeLib.Log
         private static readonly StringBuilder _MainLogStringBuilder = new StringBuilder();
         private static readonly StringWriter _MainLogStringWriter = new StringWriter(_MainLogStringBuilder);
 
-        private static ILogger _MainLog = new SilentLogger();
-        private static ILogger _SongLog = new SilentLogger();
+        private static ILogger _MainLog = new CSilentLogger();
+        private static ILogger _SongLog = new CSilentLogger();
         private static string _LogFolder;
         private static string _CrashMarkerFilePath;
         private static ShowReporterDelegate _ShowReporterFunc;
@@ -63,8 +79,8 @@ namespace VocaluxeLib.Log
             // Write new marker
             File.WriteAllText(_CrashMarkerFilePath, _CurrentVersion, Encoding.UTF8);
 
-            LogFileRoller.RollLogs(mainLogFilePath, 2);
-            LogFileRoller.RollLogs(songLogFilePath, 2);
+            CLogFileRoller.RollLogs(mainLogFilePath, 2);
+            CLogFileRoller.RollLogs(songLogFilePath, 2);
 
             _MainLog = new LoggerConfiguration()
                 .Enrich.WithThreadId()
@@ -88,19 +104,19 @@ namespace VocaluxeLib.Log
 
         public static void Close()
         {
-            if (!(_MainLog is SilentLogger))
+            if (!(_MainLog is CSilentLogger))
             {
                 ILogger loggerToDispose = _MainLog;
 
-                _MainLog = new SilentLogger();
+                _MainLog = new CSilentLogger();
                 (_MainLog as IDisposable)?.Dispose();
             }
 
-            if (!(_SongLog is SilentLogger))
+            if (!(_SongLog is CSilentLogger))
             {
                 ILogger loggerToDispose = _MainLog;
 
-                _SongLog = new SilentLogger();
+                _SongLog = new CSilentLogger();
                 (_SongLog as IDisposable)?.Dispose();
             }
 
diff --git a/VocaluxeLib/Log/CLogFunctions.cs b/VocaluxeLib/Log/CLogFunctions.cs
index c52ca532..1e234ed5 100644
--- a/VocaluxeLib/Log/CLogFunctions.cs
+++ b/VocaluxeLib/Log/CLogFunctions.cs
@@ -1,4 +1,21 @@
-using System;
+#region license
+// This file is part of Vocaluxe.
+// 
+// Vocaluxe is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// Vocaluxe is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
+#endregion
+
+using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Runtime.CompilerServices;
 using Serilog.Context;
diff --git a/VocaluxeLib/Log/CLogFunctions.tt b/VocaluxeLib/Log/CLogFunctions.tt
index ec93f52c..e0bd38f8 100644
--- a/VocaluxeLib/Log/CLogFunctions.tt
+++ b/VocaluxeLib/Log/CLogFunctions.tt
@@ -1,9 +1,42 @@
-<#@ template debug="false" hostspecific="false" language="C#" #>
+<#
+// This file is part of Vocaluxe.
+// 
+// Vocaluxe is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// Vocaluxe is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
+#>
+<#@ template debug="false" hostspecific="false" language="C#" #>
 <#@ assembly name="System.Core" #>
 <#@ import namespace="System.Linq" #>
 <#@ import namespace="System.Text" #>
 <#@ import namespace="System.Collections.Generic" #>
 <#@ output extension=".cs" #>
+#region license
+// This file is part of Vocaluxe.
+// 
+// Vocaluxe is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// Vocaluxe is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
+#endregion
+
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Runtime.CompilerServices;
diff --git a/VocaluxeLib/Log/Enricher/CTimeStampFromStartEnricher.cs b/VocaluxeLib/Log/Enricher/CTimeStampFromStartEnricher.cs
index 4b924dba..825285cc 100644
--- a/VocaluxeLib/Log/Enricher/CTimeStampFromStartEnricher.cs
+++ b/VocaluxeLib/Log/Enricher/CTimeStampFromStartEnricher.cs
@@ -1,4 +1,21 @@
-using System;
+#region license
+// This file is part of Vocaluxe.
+// 
+// Vocaluxe is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// Vocaluxe is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
+#endregion
+
+using System;
 using Serilog;
 using Serilog.Configuration;
 using Serilog.Core;
@@ -6,7 +23,7 @@ using Serilog.Events;
 
 namespace VocaluxeLib.Log.Enricher
 {
-    public static class WithTimeStampFromStartExtension
+    public static class CWithTimeStampFromStartExtension
     {
         // ReSharper disable once InconsistentNaming
         public static LoggerConfiguration WithTimeStampFromStart(this LoggerEnrichmentConfiguration enrich)
diff --git a/VocaluxeLib/Log/Rolling/LogRoller.cs b/VocaluxeLib/Log/Rolling/CLogFileRoller.cs
similarity index 79%
rename from VocaluxeLib/Log/Rolling/LogRoller.cs
rename to VocaluxeLib/Log/Rolling/CLogFileRoller.cs
index adb69ab5..82eb2340 100644
--- a/VocaluxeLib/Log/Rolling/LogRoller.cs
+++ b/VocaluxeLib/Log/Rolling/CLogFileRoller.cs
@@ -1,11 +1,28 @@
-using System;
+#region license
+// This file is part of Vocaluxe.
+// 
+// Vocaluxe is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// Vocaluxe is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
+#endregion
+
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Text.RegularExpressions;
 
 namespace VocaluxeLib.Log.Rolling
 {
-    static class LogFileRoller
+    static class CLogFileRoller
     {
         public static void RollLogs(string mainLogFile, int numLogsToKeep)
         {
diff --git a/VocaluxeLib/Log/Serilog/SilentLogger.cs b/VocaluxeLib/Log/Serilog/CSilentLogger.cs
similarity index 99%
rename from VocaluxeLib/Log/Serilog/SilentLogger.cs
rename to VocaluxeLib/Log/Serilog/CSilentLogger.cs
index 475a530f..d7c1a244 100644
--- a/VocaluxeLib/Log/Serilog/SilentLogger.cs
+++ b/VocaluxeLib/Log/Serilog/CSilentLogger.cs
@@ -22,7 +22,7 @@ using Serilog.Events;
 
 namespace VocaluxeLib.Log.Serilog
 {
-    class SilentLogger : ILogger
+    class CSilentLogger : ILogger
     {
         public ILogger ForContext(ILogEventEnricher enricher)
         {
diff --git a/VocaluxeLib/Log/ShowReporterDelegate.cs b/VocaluxeLib/Log/ShowReporterDelegate.cs
index c2750515..8edf6025 100644
--- a/VocaluxeLib/Log/ShowReporterDelegate.cs
+++ b/VocaluxeLib/Log/ShowReporterDelegate.cs
@@ -1,4 +1,20 @@
-
+#region license
+// This file is part of Vocaluxe.
+// 
+// Vocaluxe is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// Vocaluxe is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
+#endregion
+
 namespace VocaluxeLib.Log
 {
     /// <summary>
diff --git a/VocaluxeLib/VocaluxeLib.csproj b/VocaluxeLib/VocaluxeLib.csproj
index 00d4b977..5172700f 100644
--- a/VocaluxeLib/VocaluxeLib.csproj
+++ b/VocaluxeLib/VocaluxeLib.csproj
@@ -119,8 +119,8 @@
     <Compile Include="GlobalSuppressions.cs" />
     <Compile Include="IBasic.cs" />
     <Compile Include="Log\Enricher\CTimeStampFromStartEnricher.cs" />
-    <Compile Include="Log\Rolling\LogRoller.cs" />
-    <Compile Include="Log\Serilog\SilentLogger.cs" />
+    <Compile Include="Log\Rolling\CLogFileRoller.cs" />
+    <Compile Include="Log\Serilog\CSilentLogger.cs" />
     <Compile Include="Log\CLogFunctions.cs">
       <AutoGen>True</AutoGen>
       <DesignTime>True</DesignTime>