diff --git a/fmframework/src/.gitignore b/fmframework/src/.gitignore
new file mode 100644
index 0000000..cf1db2e
--- /dev/null
+++ b/fmframework/src/.gitignore
@@ -0,0 +1 @@
+/org/
diff --git a/fmframework/src/META-INF/MANIFEST.MF b/fmframework/src/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..5e94951
--- /dev/null
+++ b/fmframework/src/META-INF/MANIFEST.MF
@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+Class-Path: 
+
diff --git a/fmframework/src/sarsoo/fmframework/file/Persister.java b/fmframework/src/sarsoo/fmframework/file/Persister.java
new file mode 100644
index 0000000..1c77206
--- /dev/null
+++ b/fmframework/src/sarsoo/fmframework/file/Persister.java
@@ -0,0 +1,49 @@
+package sarsoo.fmframework.file;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+
+import sarsoo.fmframework.util.FMObjList;
+
+public class Persister<T> {
+	
+	public void saveToFile(File file, T obj) {
+		ObjectOutputStream out = null;
+		try {
+			
+			out = new ObjectOutputStream(new BufferedOutputStream(
+					new FileOutputStream(file)));
+			
+			out.writeObject(obj);
+			out.close();
+			
+		}catch(Exception e) {
+			e.printStackTrace();
+		}
+	}
+	
+	public T readFromFile(File file) {
+		
+		ObjectInputStream in = null;
+		T obj = null;
+		try {
+			
+			in = new ObjectInputStream(new BufferedInputStream(
+					new FileInputStream(file)));
+			obj = (T)in.readObject();
+			
+			in.close();
+			
+		}catch(Exception e) {
+			e.printStackTrace();
+		}
+		
+		return obj;
+	}
+
+}
diff --git a/fmframework/src/sarsoo/fmframework/fx/FMObjListTab.java b/fmframework/src/sarsoo/fmframework/fx/FMObjListTab.java
index 9784115..c53fa8c 100644
--- a/fmframework/src/sarsoo/fmframework/fx/FMObjListTab.java
+++ b/fmframework/src/sarsoo/fmframework/fx/FMObjListTab.java
@@ -34,7 +34,7 @@ public class FMObjListTab extends Tab {
 
 		setContent(pane);
 		
-		setText("list");
+		setText(list.getGroupName());
 
 		FMObjListPaneController control = (FMObjListPaneController) loader.getController();
 
diff --git a/fmframework/src/sarsoo/fmframework/fx/FmFramework.java b/fmframework/src/sarsoo/fmframework/fx/FmFramework.java
index b3c5df2..f91fe59 100644
--- a/fmframework/src/sarsoo/fmframework/fx/FmFramework.java
+++ b/fmframework/src/sarsoo/fmframework/fx/FmFramework.java
@@ -20,6 +20,7 @@ public class FmFramework extends Application {
 	@Override
 	public void start(Stage stage) throws Exception {
 		this.stage = stage;
+		Reference.setUserName("sarsoo");
 		
 		FXMLLoader loader = new FXMLLoader(getClass().getResource("ui/main.fxml"));
 		
@@ -30,12 +31,13 @@ public class FmFramework extends Application {
 		
 		rootScene = scene;
 //		scene.getStylesheets().add("styles/style.css");
-
+		
+		
 		control = (ControllerMain)loader.getController();
 //		(new Thread(new TagCaller())).start();
 		stage.setMinHeight(800);
 		stage.setMinWidth(960);
-		stage.setTitle("fm framework");
+		stage.setTitle("fmframework");
 		stage.setScene(scene);
 		stage.show();
 
diff --git a/fmframework/src/sarsoo/fmframework/fx/controller/ControllerMain.java b/fmframework/src/sarsoo/fmframework/fx/controller/ControllerMain.java
index 425aa13..aa073bb 100644
--- a/fmframework/src/sarsoo/fmframework/fx/controller/ControllerMain.java
+++ b/fmframework/src/sarsoo/fmframework/fx/controller/ControllerMain.java
@@ -55,7 +55,7 @@ public class ControllerMain {
 
 	@FXML
 	public void initialize() {
-		Reference.setUserName("sarsoo");
+//		Reference.setUserName("sarsoo");
 
 		Reference.setVerbose(TextAreaConsole.getInstance());
 
@@ -443,6 +443,50 @@ public class ControllerMain {
 			refresh();
 		}
 	}
+	
+	@FXML
+	protected void handleChangeUsername(ActionEvent event) throws IOException {
+//		System.out.println("USERNAME");
+//		String username = JOptionPane.showInputDialog("enter username:");
+//		if(username != null) {
+//			Reference.setUserName(username);
+//		}
+//		refresh();
+		
+		Service<Void> service = new Service<Void>() {
+			@Override
+			protected Task<Void> createTask() {
+				return new Task<Void>() {
+					@Override
+					protected Void call() throws Exception {
+
+						System.out.println("USERNAME");
+						String username = JOptionPane.showInputDialog("enter username:");
+						if(username != null) {
+							Reference.setUserName(username);
+
+
+							final CountDownLatch latch = new CountDownLatch(1);
+							Platform.runLater(new Runnable() {
+								@Override
+								public void run() {
+									try {
+										refresh();
+									} finally {
+										latch.countDown();
+									}
+								}
+							});
+							latch.await();
+						}
+						// Keep with the background work
+						return null;
+					}
+				};
+			}
+		};
+		service.start();
+	}
 
 	@FXML
 	protected void handleLookupAlbum(ActionEvent event) throws IOException {
diff --git a/fmframework/src/sarsoo/fmframework/fx/ui/main.fxml b/fmframework/src/sarsoo/fmframework/fx/ui/main.fxml
index 2dd515c..4134de9 100644
--- a/fmframework/src/sarsoo/fmframework/fx/ui/main.fxml
+++ b/fmframework/src/sarsoo/fmframework/fx/ui/main.fxml
@@ -29,6 +29,7 @@
                 <MenuItem fx:id="menuItemScrobble" mnemonicParsing="false" onAction="#handleScrobble" text="scrobble" />
                   <MenuItem fx:id="menuItemCurrentTrack" mnemonicParsing="false" onAction="#handleCurrentTrack" text="current track" />
                   <MenuItem fx:id="menuItemOpenConsole" mnemonicParsing="false" onAction="#handleOpenConsole" text="open console" />
+                  <MenuItem mnemonicParsing="false" onAction="#handleChangeUsername" text="set username" />
               </items>
             </Menu>
         </menus>
diff --git a/fmframework/src/sarsoo/fmframework/util/Scrobbler.java b/fmframework/src/sarsoo/fmframework/util/Scrobbler.java
index e7488cf..61d4484 100644
--- a/fmframework/src/sarsoo/fmframework/util/Scrobbler.java
+++ b/fmframework/src/sarsoo/fmframework/util/Scrobbler.java
@@ -1,9 +1,36 @@
 package sarsoo.fmframework.util;
 
+import java.io.File;
+
+import sarsoo.fmframework.file.Persister;
 import sarsoo.fmframework.music.Track;
 
 public class Scrobbler {
+	
+	private String token;
+	private String sessionKey;
+	
+	public Scrobbler() {
+		
+		
+		
+	}
+	
+	public void auth() {
+		
+		
+		
+	}
+	
 	public int scrobble(Track track) {
 		return 0;
 	}
+	
+	public void saveSessionKey(File file) {
+		
+		Persister<String> persist = new Persister<String>();
+		
+		
+		
+	}
 }