diff --git a/pgfw/Note.py b/pgfw/Note.py
index 355a55d..ca53f58 100644
--- a/pgfw/Note.py
+++ b/pgfw/Note.py
@@ -41,8 +41,7 @@ class Note(Samples):
     names = ["C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B"]
     SQUARE, TRIANGLE, SAW, SINE, DIRTY = range(5)
 
-    def __init__(self, name=None, octave=4, frequency=None, shape=SQUARE,
-                 volume=1.0):
+    def __init__(self, name=None, octave=4, frequency=None, shape=SQUARE, volume=1.0):
         names = self.names
         self.shape = shape
         if frequency is None:
@@ -61,8 +60,7 @@ class Note(Samples):
         octave_length = len(names)
         offset = (octave - self.base_octave) * octave_length + \
                  names.index(name) - names.index(self.base_name)
-        self.frequency = self.base_frequency * 2 ** \
-                         (offset / float(octave_length))
+        self.frequency = self.base_frequency * 2 ** (offset / float(octave_length))
 
     def set_name_and_octave(self):
         names = self.names
@@ -126,27 +124,32 @@ class Note(Samples):
             else:
                 samples[time] = -amplitude
 
-    def play(self, maxtime=0, fadeout=None, panning=None, fade_in=0):
+    def play(self, maxtime=0, fadeout=None, panning=None, fade_in=0, position=None):
         channel = Samples.play(self, -1, maxtime, fade_in)
         if fadeout:
             self.fadeout(fadeout)
+        if position is not None:
+            panning = self.get_panning(position)
         if channel and panning:
             channel.set_volume(*panning)
         return channel
 
+    def get_panning(self, position):
+        return 1 - max(0, ((position - .5) * 2)), 1 + min(0, ((position - .5) * 2))
+
 
 class Chord:
 
     def __init__(self, *args):
         self.notes = args
 
-    def play(self, maxtime=0, fadeout=[None], panning=None, fade_in=[0]):
+    def play(self, maxtime=0, fadeout=[None], panning=None, fade_in=[0], position=None):
         if isinstance(fadeout, int):
             fadeout = [fadeout]
         if isinstance(fade_in, int):
             fade_in = [fade_in]
         for ii, note in enumerate(self.notes):
-            note.play(maxtime, fadeout[ii % len(fadeout)], panning, fade_in[ii % len(fade_in)])
+            note.play(maxtime, fadeout[ii % len(fadeout)], panning, fade_in[ii % len(fade_in)], position)
 
     def stop(self):
         for note in self.notes:
diff --git a/pgfw/extension.py b/pgfw/extension.py
index 3c87970..95d03af 100644
--- a/pgfw/extension.py
+++ b/pgfw/extension.py
@@ -350,11 +350,11 @@ def get_inverted_surface(base):
     del pixels
     return surface
 
-def fill_tile(surface, tile, rect=None, flags=0):
+def fill_tile(surface, tile, rect=None, flags=0, offset=Vector(0, 0)):
     w, h = tile.get_size()
     surface.set_clip(rect)
-    for x in range(0, surface.get_width(), w):
-        for y in range(0, surface.get_height(), h):
+    for x in range(-offset.x, surface.get_width(), w):
+        for y in range(-offset.y, surface.get_height(), h):
             surface.blit(tile, (x, y), None, flags)
     surface.set_clip(None)