diff --git a/ext/mkrf_conf.rb b/ext/mkrf_conf.rb
new file mode 100644
index 0000000..e4f82cb
--- /dev/null
+++ b/ext/mkrf_conf.rb
@@ -0,0 +1 @@
+#TODO: build platform-specific gem dependency logic
\ No newline at end of file
diff --git a/lib/sound.rb b/lib/sound.rb
index 276a752..9396dd8 100644
--- a/lib/sound.rb
+++ b/lib/sound.rb
@@ -1,9 +1,9 @@
 require_relative 'os/os'
 
 if OS.windows?
-  require_relative '../../win32-sound/lib/win32/sound'
+  require 'win32/sound'
 else
-  warn("Sound output not yet implemented for this platform: #{OS.os}"
+  warn("Sound output not yet implemented for this platform: #{OS.os}")
 end
 
 require_relative 'sound/sound'
diff --git a/lib/sound/out.rb b/lib/sound/out.rb
index 7f6c9f3..9ac9b66 100644
--- a/lib/sound/out.rb
+++ b/lib/sound/out.rb
@@ -3,9 +3,9 @@ module Sound
 
   module Out
   
-    def self.play_freq(frequency = 440, duration = 1000, volume = 1, pause_execution = false)
+    def self.play_freq(frequency = 440, duration = 1000, volume = 1, immediate_playback = true)
       if Platform.eql? "i386-mingw32"
-        Win32::Sound.play_freq(frequency, duration, volume, pause_execution)
+        Win32::Sound.play_freq(frequency, duration, volume, immediate_playback)
       else
         warn("play_freq not implemented for this platform: #{RUBY_PLATFORM}")
       end
diff --git a/lib/sound/sound.rb b/lib/sound/sound.rb
index 2c2e526..b4535ee 100644
--- a/lib/sound/sound.rb
+++ b/lib/sound/sound.rb
@@ -1,4 +1,4 @@
 
 module Sound
-  Platform = RUBY_PLATFORM
+
 end
diff --git a/sound.gemspec b/sound.gemspec
index c0caddb..bb9bc0d 100644
--- a/sound.gemspec
+++ b/sound.gemspec
@@ -2,17 +2,22 @@
 Gem::Specification.new do |spec|
 
   spec.name = 'sound'
-  spec.version = '0.0.1'
-  spec.date = '2014-08-02'
+  spec.version = '0.0.2'
+  spec.date = '2014-08-03'
   spec.summary = 'cross-platform sound library wrapper'
   spec.description = 'Allows for effiecent cross-platform sound libraries in pure Ruby by tapping into native libraries.'
   spec.authors = ["Dominic Muller"]
   spec.email = 'nicklink483@gmail.com'
   spec.files = [
     "lib/sound.rb",
-    "lib/sound/sound.rb"
+    "lib/sound/out.rb",
+    "lib/sound/sound.rb",
+    "lib/os/os.rb"
   ]
+  #spec.add_runtime_dependency 'win32-sound', ['>= 0.6.0']
+  spec.requirements << "win32-sound, '>= 0.6.0' on Windows"
   spec.homepage = 'https://github.com/RSMP/sound'
   spec.license = 'MIT'
+  spec.extensions << 'ext/mkrf_conf.rb'
   
 end