diff --git a/PianoKeyBoard.cpp b/PianoKeyBoard.cpp
deleted file mode 100644
index ddbdec0..0000000
--- a/PianoKeyBoard.cpp
+++ /dev/null
@@ -1,63 +0,0 @@
-#include "PianoKeyBoard.h"
-#include "MainWindow.h"
-#include <QGraphicsSceneMouseEvent>
-#include <QColorDialog>
-
-PianoKeyBoard::PianoKeyBoard(qreal x, qreal y, qreal w, qreal h, MainWindow *parent): QGraphicsScene(x,y,w,h){
-
-    addItem(keys[0] = new PianoKey(parent->colorScale.getToneByName("C")));
-    addItem(keys[1] = new PianoKey(parent->colorScale.getToneByName("Cis")));
-    addItem(keys[2] = new PianoKey(parent->colorScale.getToneByName("D")));
-    addItem(keys[3] = new PianoKey(parent->colorScale.getToneByName("Dis")));
-    addItem(keys[4] = new PianoKey(parent->colorScale.getToneByName("E")));
-    addItem(keys[5] = new PianoKey(parent->colorScale.getToneByName("F")));
-    addItem(keys[6] = new PianoKey(parent->colorScale.getToneByName("Fis")));
-    addItem(keys[7] = new PianoKey(parent->colorScale.getToneByName("G")));
-    addItem(keys[8] = new PianoKey(parent->colorScale.getToneByName("Gis")));
-    addItem(keys[9] = new PianoKey(parent->colorScale.getToneByName("A")));
-    addItem(keys[10] = new PianoKey(parent->colorScale.getToneByName("Ais")));
-    addItem(keys[11] = new PianoKey(parent->colorScale.getToneByName("H")));
-
-    for(int i=0; i<12; i++)
-        QObject::connect(keys[i]->getTone(), &Tone::colorchanged, keys[i], &PianoKey::redraw);
-
-};
-
-void PianoKeyBoard::mousePressEvent(QGraphicsSceneMouseEvent *event){
-    QString title = "Bitte Farbe wählen für Ton ";
-    if(event->button() == Qt::LeftButton){
-        //first check "black" Piano keys as they are in foreground
-        for(int i=6; i<12; i++){
-            if(keys[i]->sceneBoundingRect().contains(event->scenePos())){
-                keys[i]->getTone()->setColor(
-                            QColorDialog::getColor(
-                                keys[i]->getTone()->getColor(),
-                                nullptr,
-                                title.append(keys[i]->getTone()->getName()),
-                                QColorDialog::DontUseNativeDialog
-                                )
-                            );
-                return;
-            }
-        }
-        for(int i=0; i<6; i++){
-            if(keys[i]->sceneBoundingRect().contains(event->scenePos())){
-                keys[i]->getTone()->setColor(
-                            QColorDialog::getColor(
-                                keys[i]->getTone()->getColor(),
-                                nullptr,
-                                title.append(keys[i]->getTone()->getName()),
-                                QColorDialog::DontUseNativeDialog
-                                )
-                            );
-                return;
-            }
-        }
-    }
-};
-PianoKey * PianoKeyBoard::getKey(int number)const{
-    return keys[number];
-};
-PianoKeyBoard::~PianoKeyBoard(){
-
-};