diff --git a/client/src/Estuary/Languages/ExoLang.hs b/client/src/Estuary/Languages/ExoLang.hs
index d97830ef..baf51e52 100644
--- a/client/src/Estuary/Languages/ExoLang.hs
+++ b/client/src/Estuary/Languages/ExoLang.hs
@@ -43,8 +43,8 @@ instance PToJSVal ExoLangClass where pToJSVal (ExoLangClass x) = x
 instance PFromJSVal ExoLangClass where pFromJSVal = ExoLangClass
 
 foreign import javascript safe
-  "$r = $2.exoLang($1);"
-  exoLangClass :: HTMLCanvasElement -> JSVal -> IO ExoLangClass
+  "$1.webAudioContext = $2; $r = $3.exoLang($1);"
+  exoLangClass :: HTMLCanvasElement -> MusicW.AudioContext -> JSVal -> IO ExoLangClass
 
 _loadExoLang :: HTMLCanvasElement -> Text -> IO ExoLangClass
 _loadExoLang canvas path = do
@@ -54,7 +54,8 @@ _loadExoLang canvas path = do
     Left j -> throwIO (JSException j)
     Right j -> pure j
   putStrLn $ "loaded exolang from " ++ unpack path
-  elc <- exoLangClass canvas exoLangModule
+  webAudioContext <- MusicW.getGlobalAudioContext
+  elc <- exoLangClass canvas webAudioContext exoLangModule
   putStrLn $ " hasFunction define: " ++ show (hasFunction "define" elc)
   putStrLn $ " has deprecated function evaluate: " ++ show (hasFunction "evaluate" elc)
   putStrLn $ " hasFunction clear: " ++ show (hasFunction "clear" elc)
diff --git a/client/src/Estuary/Render/RenderEnvironment.hs b/client/src/Estuary/Render/RenderEnvironment.hs
index 59b6c823..e6cb4940 100644
--- a/client/src/Estuary/Render/RenderEnvironment.hs
+++ b/client/src/Estuary/Render/RenderEnvironment.hs
@@ -171,10 +171,6 @@ updateActiveRenderers rEnv = liftIO $ do
   writeIORef (activeRenderers rEnv) newActiveRenderers
   mapM_ (initializeRenderer rEnv) $ Map.difference newActiveRenderers prevActiveRenderers
 
--- work in progress (above)
--- the function above needs to change so that when a new renderer is added to activeRenderers it is 'initialized' (all setters called)
--- initializeRenderer :: MonadIO m => RenderEnvironment -> Renderer -> m ()
-
 
 getActiveRenderers :: MonadIO m => RenderEnvironment -> m (Map.Map Text Renderer)
 getActiveRenderers rEnv = liftIO $ readIORef (activeRenderers rEnv)
@@ -240,7 +236,6 @@ setNchnls rEnv x = liftIO $ do
   readIORef (activeRenderers rEnv) >>= mapM_ (flip Renderer.setNchnls $ x)
 
 
--- TODO: this function needs to be called (for every new renderer that becomes active)
 -- a function to call setters with initial values when a new renderer becomes active
 initializeRenderer :: MonadIO m => RenderEnvironment -> Renderer -> m ()
 initializeRenderer rEnv r = liftIO $ do