diff --git a/DoepferPocketQT.pro b/DoepferPocketQT.pro
index a69aac5..e8e8c83 100644
--- a/DoepferPocketQT.pro
+++ b/DoepferPocketQT.pro
@@ -1,5 +1,16 @@
-QT += widgets
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = DofperPockerQt
+TEMPLATE = app
+
+
 SOURCES += \
-    src/main.cpp
+    src/main.cpp \
+    src/mainwindow.cpp
 
 include($$PWD/libs/QMidi/QMidi.pri)
+
+HEADERS += \
+    src/mainwindow.h
diff --git a/src/main.cpp b/src/main.cpp
index 3514b91..4038ee9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,6 +1,11 @@
 #include <QApplication>
+#include "mainwindow.h"
 
 int main(int argc, char *argv[]){
     QApplication app(argc, argv);
+
+    mainWindow w;
+    w.show();
+
     return app.exec();
 }
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
new file mode 100644
index 0000000..b556d57
--- /dev/null
+++ b/src/mainwindow.cpp
@@ -0,0 +1,11 @@
+#include "mainwindow.h"
+
+mainWindow::mainWindow(QWidget *parent) : QMainWindow(parent)
+{
+
+}
+
+mainWindow::~mainWindow()
+{
+
+}
diff --git a/src/mainwindow.h b/src/mainwindow.h
new file mode 100644
index 0000000..297b98a
--- /dev/null
+++ b/src/mainwindow.h
@@ -0,0 +1,18 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QComboBox>
+#include <QMainWindow>
+
+class mainWindow : public QMainWindow
+{
+    Q_OBJECT
+public:
+    mainWindow(QWidget *parent = 0);
+    ~mainWindow();
+signals:
+
+public slots:
+};
+
+#endif // MAINWINDOW_H