diff --git a/phat.py b/phat.py
new file mode 100644
index 0000000..989811c
--- /dev/null
+++ b/phat.py
@@ -0,0 +1,65 @@
+"""
+surcouche phatbeat pour un player audio
+"""
+
+import phatbeat, signal, colorsys
+from folderplayer import FolderPlayer
+
+class phatHandler:
+
+    def __init__(self, player, brightness=0.5):
+        self.player = player
+        self.brightness = brightness
+        self.set_volume(3) # 0-8
+        self.player.play()
+
+    def play_pause(self, pin):
+        self.player.play_pause()
+
+    def next(self, pin):
+        self.player.next()
+
+    def previous(self, pin):
+        self.player.previous()
+
+    def set_volume(self, level=3):
+        if level >= 0 and level <= 8:
+            self.volume = level
+            self.player.set_volume(self.volume*12) # 0-96
+            self.show_volume(level)
+
+    def volume_up(self, pin):
+        self.set_volume(self.volume + 1)
+
+    def volume_down(self, pin):
+        self.set_volume(self.volume - 1)
+
+    def show_volume(self, level, saturation=1.0, value=0.2):
+        phatbeat.clear()
+        for i in range(0,8):
+            # definition de la teinte en fonction de la "hauteur" du pixel
+            # pour un effet "arc en ciel"
+            # on divise 360° par 8 "crans" (=45°)
+            # et on decale arbitrairement de 45° pour ne pas débuter sur rouge
+            hue = 315 - 45*i # definition de la teinte (8 crans = 45°)
+            if level > i:
+                r, g, b = [int(x * 255) for x in colorsys.hsv_to_rgb(hue / 360.0, saturation, value)]
+                phatbeat.set_pixel(7-i, r, g, b, 0.1, channel=0)
+                phatbeat.set_pixel(7-i, r, g, b, 0.2, channel=1)
+        phatbeat.show()
+
+try:
+    print("hell yeah rock'n'roll")
+    fp = FolderPlayer("/home/jducastel/music")
+    p = phatHandler(fp)
+    # attaching buttons events to methods
+    phatbeat.on(phatbeat.BTN_PLAYPAUSE, p.play_pause)
+    phatbeat.on(phatbeat.BTN_FASTFWD, p.next)
+    phatbeat.on(phatbeat.BTN_REWIND, p.previous)
+    phatbeat.on(phatbeat.BTN_VOLUP, p.volume_up)
+    phatbeat.on(phatbeat.BTN_VOLDN, p.volume_down)
+    # start waiting for button events
+    signal.pause()
+except KeyboardInterrupt:
+    print("bye !")
+    exit()
diff --git a/test.py b/test.py
index 0db328c..e0ab6e8 100644
--- a/test.py
+++ b/test.py
@@ -1,11 +1,11 @@
-import phatbeat, signal
+import phatbeat, signal, math
 from folderplayer import FolderPlayer
 
 player = FolderPlayer("/home/jducastel/music")
 
 def show_volume(volume):
     phatbeat.clear()
-    level = round(volume*8/100); print(f"level {level}")
+    level = math.floor(volume/8); print(f"level {level}")
     for i in range(0,8): # resetting
         if level > i:
             phatbeat.set_pixel(7-i, 128,128,128,channel=0)