diff --git a/include/SignalSender.h b/include/SignalSender.h
new file mode 100644
index 00000000000..e0a93e69474
--- /dev/null
+++ b/include/SignalSender.h
@@ -0,0 +1,23 @@
+#ifndef SIGNALSENDER_H
+#define SIGNALSENDER_H
+
+#include <QObject>
+#include "SubWindow.h"
+
+class SignalSender : public QObject
+{
+	Q_OBJECT
+
+public:
+	static SignalSender* getInstance();
+
+signals:
+	void closeAllSignal();
+	void closeOthersSignal(SubWindow * source);
+
+public slots:
+	void closeAll();
+	void closeOthers(SubWindow* source);
+};
+
+#endif
diff --git a/include/SubWindow.h b/include/SubWindow.h
index fdda6de4280..30675c75b19 100644
--- a/include/SubWindow.h
+++ b/include/SubWindow.h
@@ -78,6 +78,7 @@ class LMMS_EXPORT SubWindow : public QMdiSubWindow
 
 signals:
 	void focusLost();
+	void closeSignal();
 
 private:
 	const QSize m_buttonSize;
@@ -93,12 +94,17 @@ class LMMS_EXPORT SubWindow : public QMdiSubWindow
 	QLabel * m_windowTitle;
 	QGraphicsDropShadowEffect * m_shadow;
 	bool m_hasFocus;
+	QMenu* m_systemMenu;
+	QAction* m_closeAllAction;
+	QAction* m_closeOthersAction;
 
 	static void elideText( QLabel *label, QString text );
 	void adjustTitleBar();
 
 private slots:
 	void focusChanged( QMdiSubWindow * subWindow );
+	void closeOthersEmit();
+	void closeOthersRecive( SubWindow * source);
 };
 
 
diff --git a/src/gui/CMakeLists.txt b/src/gui/CMakeLists.txt
index 1e809e9d710..5477e2dd2f4 100644
--- a/src/gui/CMakeLists.txt
+++ b/src/gui/CMakeLists.txt
@@ -33,6 +33,8 @@ SET(LMMS_SRCS
 	gui/PluginBrowser.cpp
 	gui/ProjectNotes.cpp
 	gui/RowTableView.cpp
+	gui/SetupDialog.cpp
+	gui/SignalSender.cpp
 	gui/SampleTrackWindow.cpp
 	gui/SendButtonIndicator.cpp
 	gui/SideBar.cpp
diff --git a/src/gui/SignalSender.cpp b/src/gui/SignalSender.cpp
new file mode 100644
index 00000000000..792e60f5a50
--- /dev/null
+++ b/src/gui/SignalSender.cpp
@@ -0,0 +1,17 @@
+#include "SignalSender.h"
+
+SignalSender* SignalSender::getInstance()
+{
+	static SignalSender* instance = new SignalSender();
+	return instance;
+}
+
+void SignalSender::closeAll()
+{
+	emit closeAllSignal();
+}
+
+void SignalSender::closeOthers(SubWindow* source)
+{
+	emit closeOthersSignal(source);
+}
diff --git a/src/gui/SubWindow.cpp b/src/gui/SubWindow.cpp
index 78e4f586c67..e1633f5e390 100644
--- a/src/gui/SubWindow.cpp
+++ b/src/gui/SubWindow.cpp
@@ -33,13 +33,28 @@
 #include <QMdiArea>
 #include <QMoveEvent>
 #include <QPainter>
+#include <QScrollBar>
+#include <QMenu>
 #include <QPushButton>
 
 #include "embed.h"
+#include "SignalSender.h"
 
 namespace lmms::gui
 {
+void SubWindow::closeOthersEmit()
+{
+	// trigger signal sender to send a close event to all elements
+	emit SignalSender::getInstance()->closeOthers(this);
+}
 
+void SubWindow::closeOthersRecive(SubWindow* source)
+{
+	// make sure source of signal is not the current window
+	if (source != this) {
+		emit closeSignal();
+	}
+}
 
 SubWindow::SubWindow( QWidget *parent, Qt::WindowFlags windowFlags ) :
 	QMdiSubWindow( parent, windowFlags ),
@@ -96,7 +111,38 @@ SubWindow::SubWindow( QWidget *parent, Qt::WindowFlags windowFlags ) :
 	setWindowFlags( Qt::SubWindow | Qt::WindowMaximizeButtonHint |
 		Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint |
 		Qt::CustomizeWindowHint );
-	connect( mdiArea(), SIGNAL(subWindowActivated(QMdiSubWindow*)), this, SLOT(focusChanged(QMdiSubWindow*)));
+  connect( mdiArea(), SIGNAL(subWindowActivated(QMdiSubWindow*)), this, SLOT(focusChanged(QMdiSubWindow*)));
+	// get the default systemMenu
+	m_systemMenu = systemMenu();
+
+	// create 'close all' action
+	m_closeAllAction = new QAction("Close all", this);
+	m_closeAllAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_W));
+	// connect action to SignalSender
+	connect(m_closeAllAction, SIGNAL(triggered()), SignalSender::getInstance(), SLOT(closeAll()));
+	// connect SignalSender to close action
+	connect(SignalSender::getInstance(), SIGNAL(closeAllSignal()), this, SLOT(close()));
+	// add action to subwindow to capture keypress
+	addAction(m_closeAllAction);
+	// add action to systemMenu
+	m_systemMenu->addAction(m_closeAllAction);
+
+	// create 'close others' action
+	m_closeOthersAction = new QAction("Close others", this);
+	m_closeOthersAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Q));
+	// connect action to signal emit
+	connect(m_closeOthersAction, SIGNAL(triggered()), this, SLOT(closeOthersEmit()));
+	// connect SignalSender to signal recive
+	connect(SignalSender::getInstance(), SIGNAL(closeOthersSignal(SubWindow*)), this, SLOT(closeOthersRecive(SubWindow*)));
+	// connect signal to close action
+	connect(this, SIGNAL(closeSignal()), this, SLOT(close()));
+	// add action to subwindow to capture keypress
+	addAction(m_closeOthersAction);
+	// add action to systemMenu
+	m_systemMenu->addAction(m_closeOthersAction);
+
+	// update systemMenu
+	setSystemMenu(m_systemMenu);
 }