public MainFrame(InstantBach parent, SymbolList availableSymbols) {
this.parent = parent;
progressionPanel = new ProgressionPanel(this, availableSymbols);
transpositionPanel = new TranspositionPanel(this);
informationPanel = new InformationPanel(this);
JTabbedPane tabbedPane = new JTabbedPane();
tabbedPane.add(progressionPanel, "Progression");
tabbedPane.add(transpositionPanel, "Transposition");
tabbedPane.add(informationPanel, "Information");