diff --git a/Channel.pde b/Channel.pde
index 1400c13..546c1db 100644
--- a/Channel.pde
+++ b/Channel.pde
@@ -1,5 +1,4 @@
 import processing.sound.*;
-import java.util.Map.*;
 
 
 public class ChannelOsc {
@@ -23,7 +22,6 @@ public class ChannelOsc {
     float last_freq = 0;
     
     
-    
     ChannelOsc() {
         current_notes = new HashMap<Integer, SoundObject>();
         circular_array_envs = new Env[CIRCULAR_ARR_SIZE];
@@ -59,6 +57,7 @@ public class ChannelOsc {
     
     void play_note(int note_code, int velocity) {
         if (curr_global_amp <= 0 || silenced) return;
+        stop_note(note_code);
         
         float freq = midi_to_freq(note_code);
         float amp = map(velocity, 0, 127, 0.0, 1.0);
@@ -78,7 +77,7 @@ public class ChannelOsc {
         }*/
         if (osc_type == 0) ((Pulse) s).width(pulse_width);
         
-        s.amp(amp * (osc_type == 1 || osc_type == 2 ? 0.26 : 0.1) * curr_global_amp);    // give a volume boost to TRI and SIN
+        s.amp(amp * (osc_type == 1 || osc_type == 2 ? 0.12 : 0.05) * curr_global_amp);    // give a volume boost to TRI and SIN
         if (env_values != null && env_values.length == 3) {
             Env e = new Env(PARENT);
             e.play(s, env_values[0], env_values[1], 1.0, env_values[2]);    // will come back to envelopes... great potential but buggy :(
@@ -120,7 +119,7 @@ public class ChannelOsc {
     void set_volume(int volume) {
         float amp = map(volume, 0, 127, 0.0, 1.0);
         for (SoundObject s : current_notes.values()) {
-            ((Oscillator) s).amp((osc_type == 1 || osc_type == 2 ? 0.26 : 0.1) * amp);
+            ((Oscillator) s).amp((osc_type == 1 || osc_type == 2 ? 0.12 : 0.05) * amp);
         }
         curr_global_amp = amp;
     }
@@ -164,35 +163,40 @@ public class ChannelOsc {
 
 
 class ChannelOscDrum extends ChannelOsc {
+    SoundFile[] samples;
+    
+    
     ChannelOscDrum() {
         super();
+        
+        // preloading samples...
+        samples = new SoundFile[4];
+        for (int i = 1; i <= samples.length; i++) {
+            samples[i-1] = new SoundFile(PARENT, "data/samples/" + i + ".wav");
+        }
     }
     
     
     void play_note(int note_code, int velocity) {
         if (curr_global_amp <= 0 || silenced) return;
-        stop_note(note_code);
         
-        float freq = midi_to_freq(note_code);
         float amp = map(velocity, 0, 127, 0.0, 1.0);
         
-        SoundFile s = (SoundFile) current_notes.get(note_code);
-        if (s == null) {
-            s = new SoundFile(PARENT, "data/samples/" + note_code_to_percussion(note_code) + ".wav");
-            current_notes.put(note_code, s);
-        }
+        int sample_code = note_code_to_percussion(note_code);
+        SoundFile s = (SoundFile) samples[sample_code-1];
+        if (s == null || s.isPlaying()) return;
         
         s.amp(amp * 0.26);
         s.play();
         
         last_amp = amp;
-        last_freq = freq;
+        last_freq = sample_code;
     }
     
     
     void stop_note(int note_code) {
         last_amp = 0.0;
-        last_freq = 0.0;
+        last_freq = 0;
     }
     
     
@@ -223,8 +227,3 @@ Oscillator get_new_osc(int osc_type) {
             return new SawOsc(PARENT);
     }
 }
-
-
-processing.sound.Noise get_new_noise(int note_code) {
-    return new WhiteNoise(PARENT);
-}
diff --git a/P3synth.pde b/P3synth.pde
index 09b1c36..4e0bf7b 100644
--- a/P3synth.pde
+++ b/P3synth.pde
@@ -1,11 +1,13 @@
 import java.io.*;
+import java.util.Map.*;
 
 final processing.core.PApplet PARENT = this;
-final float VERCODE = 22.66;
+final float VERCODE = 22.67;
 
 Player player;
 PImage[] logo_anim;
 PImage[] osc_type_textures;
+PImage bg_gradient;
 PFont[] fonts;
 ThemeEngine t;
 ButtonToolbar media_buttons;
@@ -15,25 +17,18 @@ WaitingDialog dialog_meta_msgs;
 HashMap<String, String> config_map;
 
 void setup() {
+    text("please wait!\nloading...", 12, 12);
+    new Sound(PARENT).volume(0.7);    // oscillators at volume 1 are ridiculously loud... 
+    
     SinOsc warmup = new SinOsc(PARENT);
     warmup.freq(100);
-    warmup.amp(0.1);
+    warmup.amp(0.01);
     warmup.play();    // has to be done so the audio driver is prepared for what we're about to do to 'em...*/
     
     size(724, 420);
     surface.setTitle("vlco_o P3synth");
     
-    logo_anim = new PImage[8];
-    for (int i = 0; i < 8; i++) {
-        PImage img = loadImage("graphics/logo" + i + ".png");
-        logo_anim[i] = img;
-    }
-    osc_type_textures = new PImage[6];
-    for (int i = -1; i < 5; i++) {
-        PImage img = loadImage("graphics/osc_" + i + ".png");
-        osc_type_textures[i+1] = img;
-    }
-    
+    setup_images();
     setup_fonts();
     setup_buttons();
     setup_config();
@@ -47,6 +42,7 @@ void setup() {
 }
 
 
+
 void draw() {
     if (!player.stopped) {
         player.redraw();
@@ -61,6 +57,7 @@ void draw() {
 }
 
 
+
 void load_config(boolean just_opened) {
     try {
         BufferedReader br = new BufferedReader(new FileReader("P3synth config"));
@@ -87,6 +84,7 @@ void load_config(boolean just_opened) {
 }
 
 
+
 void save_config() {
     try {
         PrintStream f = new PrintStream(new File("P3synth config"));
@@ -103,8 +101,17 @@ void save_config() {
 }
 
 
+
 void redraw_all() {
     background(t.theme[2]);
+    
+    push();
+    noFill();
+    strokeWeight(2);
+    stroke(t.theme[0]);
+    rect(1, 1, width-2, height-2);
+    pop();
+    
     media_buttons.redraw();
     setting_buttons.redraw();
     image(logo_anim[0], 311, 10);
@@ -113,6 +120,25 @@ void redraw_all() {
 }
 
 
+
+void setup_images() {
+    logo_anim = new PImage[8];
+    for (int i = 0; i < 8; i++) {
+        PImage img = loadImage("graphics/logo" + i + ".png");
+        logo_anim[i] = img;
+    }
+    
+    osc_type_textures = new PImage[6];
+    for (int i = -1; i < 5; i++) {
+        PImage img = loadImage("graphics/osc_" + i + ".png");
+        osc_type_textures[i+1] = img;
+    }
+    
+    bg_gradient = loadImage("graphics/gradient.png");
+    bg_gradient.resize(width, bg_gradient.height);
+}
+
+
 void setup_config() {
     config_map = new HashMap<String, String>();
     config_map.put("theme name", "Fresh Blue");
@@ -139,13 +165,15 @@ void setup_buttons() {
     
     b1 = new Button("info", "Help");
     b2 = new Button("confTheme", "Theme");
-    Button[] buttons_set = {b2, b1};
+    b3 = new Button("update", "Update");
+    Button[] buttons_set = {b2, b1, b3};
     setting_buttons = new ButtonToolbar(470, 16, 1.2, 0, buttons_set);
     
     b_meta_msgs = new Button(682, 376, "message", "Hist.");    // next to the player's message bar
 }
 
 
+
 void mouseClicked() {
     if (mouseButton == LEFT) {
         if(media_buttons.collided("Play")) {
@@ -217,6 +245,21 @@ void mouseClicked() {
             //ui.showInfoDialog(player.history_text_messages);
         }
         
+        else if(setting_buttons.collided("Update")) {
+            WaitingDialog wd = ui.showWaitingDialog("Checking for updates...", "Please wait");
+            boolean b = check_if_newer_ver();
+            wd.close();
+            
+            if (b) {
+                ui.showConfirmDialog(
+                    "There is a newer version available. Download now?", "Update",
+                    new Runnable() { public void run() { download_latest_ver(); } },
+                    new Runnable() { public void run() {} }
+                );
+            }
+            else ui.showInfoDialog("You're running the latest version of P3synth.");
+        }
+        
         else {
             player.disp.check_buttons();        // check for any presses on the player controls
             player.check_chan_disp_buttons();   // check for any presses on the channel display
@@ -230,19 +273,6 @@ void mouseClicked() {
 }
 
 
-class LongMessageNotException extends Exception {
-    String msg;
-    
-    public LongMessageNotException(String text_msg) {
-        this.msg = text_msg;
-    }
-    
-    @Override
-    String toString() {
-        return this.msg;
-    }
-}
-
 
 boolean try_play_file(File selection) {
     if (selection != null) {
diff --git a/Player.pde b/Player.pde
index 92aa1bc..fa1ba71 100644
--- a/Player.pde
+++ b/Player.pde
@@ -42,10 +42,10 @@ class Player {
         String text = "";
         
         for (byte b : arr) {
-            text += Character.toString((char) b);
+            if (b >= 0) text += Character.toString((char) b);
         }
         
-        return text.trim();
+        return text.trim().replace("\n", "");
     }
     
     
@@ -181,7 +181,7 @@ class Player {
                     if (data1 >= 112) channels[chan].curr_global_amp = 0.0;
                     else {
                         channels[chan].set_osc_type(program_to_osc(data1));
-                        channels[chan].set_env_values(program_to_env(data1));
+                        //channels[chan].set_env_values(program_to_env(data1));
                     }
                 }
                 
diff --git a/Resources.pde b/Resources.pde
index cac869c..395637f 100644
--- a/Resources.pde
+++ b/Resources.pde
@@ -30,6 +30,7 @@ class ThemeEngine {
     }
 }
 
+
 float[] prog_osc_relationship = {
     2, 1, 1, 0.5, 0.5, 0.5, 0.3, 0.3, 0.3, 1, 1, 1, 1, 0.5,
     0.3, 0.3, 1, 1, 1, 0.7, 0.7, 0.3, 0.7, 0.3, 2, 1, 2,
@@ -54,18 +55,14 @@ float[] program_to_env(int prog) {
 }
 
 
-String[] notecode_perc_relationship = {
-    "Tom", "Tom", "Tom", "Snare", "Snare", "Snare", "Tom",
-    "Closed hihat", "Tom", "Closed hihat", "Tom", "Open hihat",
-    "Tom", "Tom", "Open hihat", "Tom", "Open hihat", "Open hihat",
-    "Closed hihat", "Snare", "Open hihat", "Closed hihat",
-    "Open hihat", "Tom", "Snare", "Snare", "Snare", "Open hihat",
-    "Open hihat", "Closed hihat", "Open hihat", "Snare", "Tom",
-    "Closed hihat", "Open hihat", "Snare", "Tom", "Closed hihat",
-    "Open hihat", "Snare", "Tom", "Closed hihat", "Open hihat",
-    "Snare", "Tom", "Closed hihat", "Open hihat"
+// 1 → closed hihat, 2 → open hihat, 3 → snare, 4 → tom
+int[] notecode_perc_relationship = {
+    4, 4, 4, 3, 3, 3, 4, 1, 4, 1, 4, 2,
+    4, 4, 2, 4, 2, 2, 1, 3, 2, 1, 2, 4,
+    3, 3, 3, 2, 2, 2, 3, 1, 4, 4, 2, 1,
+    3, 4, 1, 2, 3, 2, 3, 4, 1, 2, 3
 };
 
-String note_code_to_percussion(int note_code) {
+int note_code_to_percussion(int note_code) {
     return notecode_perc_relationship[constrain(note_code, 35, 81) - 35];
 }
diff --git a/UIServer.pde b/UIServer.pde
index 9acd320..e041956 100644
--- a/UIServer.pde
+++ b/UIServer.pde
@@ -128,7 +128,7 @@ class ChannelDisplay {
         // Freq label
             fill(t.theme[0]);
             textFont(fonts[0]);
-            if (id == 9) text(label_frequency == 0 ? "-  -" : "-ts-", x+113, y+10);
+            if (id == 9) text(label_frequency == 0 ? "-  -" : (label_frequency < 4.0 ? "-ts-" : "-pf-"), x+113, y+10);
             else text(label_frequency, x+113, y+10);
         
         // Velocity meter
@@ -218,9 +218,9 @@ class PlayerDisplay {
     void redraw(boolean renew_values) {
         if (renew_values) update_all_values();
         
-        fill(t.theme[2]);
+        /*fill(t.theme[2]);
         noStroke();
-        rect(x+1, y+40, 680, 63);
+        rect(x+1, y+40, 680, 63);*/
         
         // File name label
             textAlign(CENTER, CENTER);
@@ -321,6 +321,7 @@ class ButtonToolbar {
 
         int i = 0;
         for (Button b : buttons) {
+            if (b == null) continue;
             this.buttons.put(b.label, b);
             b.x = int(i * (b.width * this.x_sep) + x);
             b.y = int(i * (b.height * this.y_sep) + y);
@@ -340,6 +341,8 @@ class ButtonToolbar {
 
 
     boolean collided(String b_name) {
-        return this.buttons.get(b_name).collided();
+        Button b = this.buttons.get(b_name);
+        if (b == null) return false;
+        return b.collided();
     }
 }
diff --git a/Updater.pde b/Updater.pde
new file mode 100644
index 0000000..ed171f9
--- /dev/null
+++ b/Updater.pde
@@ -0,0 +1,40 @@
+import http.requests.*;
+import java.awt.Desktop;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+
+float latest_vercode = VERCODE;
+String latest_tagname = "";
+
+final String RELEASES_URL = "https://api.github.com/repos/vlcoo/P3synth/releases";
+
+
+boolean check_if_newer_ver() {
+    if (latest_vercode > VERCODE) return true;
+    
+    GetRequest r = new GetRequest("https://api.github.com/repos/vlcoo/P3synth/releases");
+    r.send();
+    JSONArray response;
+    
+    try { response = parseJSONArray(r.getContent()); }
+    catch (NullPointerException npe) { return false; }
+    
+    JSONObject latest = (JSONObject) response.get(0);
+    latest_vercode = Float.parseFloat(latest.get("name").toString().replace("v", ""));
+    latest_tagname = latest.get("tag_name").toString();
+    
+    return latest_vercode > VERCODE;
+}
+
+
+void download_latest_ver() {
+    if (latest_tagname.equals("")) return;
+    
+    Desktop desktop = java.awt.Desktop.getDesktop();
+    try {
+        desktop.browse(new URI("https://github.com/vlcoo/P3synth/releases/tag/" + latest_tagname));
+    }
+    catch (URISyntaxException use) {}
+    catch (IOException ioe) {}
+}
diff --git a/data/buttons/updateDown.png b/data/buttons/updateDown.png
new file mode 100644
index 0000000..43d37d1
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diff --git a/data/buttons/updateUp.png b/data/buttons/updateUp.png
new file mode 100644
index 0000000..5d86b4b
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diff --git a/data/samples/1.wav b/data/samples/1.wav
new file mode 100644
index 0000000..8eb0ca0
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diff --git a/data/samples/2.wav b/data/samples/2.wav
new file mode 100644
index 0000000..109ec4b
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diff --git a/data/samples/3.wav b/data/samples/3.wav
new file mode 100644
index 0000000..1873cb8
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diff --git a/data/samples/4.wav b/data/samples/4.wav
new file mode 100644
index 0000000..bf87a8b
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