diff --git a/lilypond.cabal b/lilypond.cabal
--- a/lilypond.cabal
+++ b/lilypond.cabal
@@ -1,6 +1,6 @@
 
 name:                   lilypond
-version:                1.7.1
+version:                1.7.2
 author:                 Hans Hoglund
 maintainer:             Hans Hoglund <hans@hanshoglund.se>
 license:                BSD3
@@ -28,8 +28,8 @@
                         process                 >= 1.2 && < 1.3,
                         data-default,
                         prettify,
-                        music-pitch-literal     == 1.7.1,
-                        music-dynamics-literal  == 1.7.1
+                        music-pitch-literal     == 1.7.2,
+                        music-dynamics-literal  == 1.7.2
     exposed-modules:    Music.Lilypond
                         Music.Lilypond.Pitch
                         Music.Lilypond.Dynamics
diff --git a/src/Music/Lilypond.hs b/src/Music/Lilypond.hs
--- a/src/Music/Lilypond.hs
+++ b/src/Music/Lilypond.hs
@@ -35,6 +35,7 @@
 
         -- ** Articulation and dynamics
         PostEvent(..),
+        ChordPostEvent(..),
 
         -- ** Text
         Articulation(..),
@@ -50,7 +51,7 @@
         Duration(..),
         -- ** Pitch
         Pitch(..),
-        PitchClass(..),
+        PitchName(..),
         Accidental(..),
         Octaves(..),
 
diff --git a/src/Music/Lilypond/IO.hs b/src/Music/Lilypond/IO.hs
--- a/src/Music/Lilypond/IO.hs
+++ b/src/Music/Lilypond/IO.hs
@@ -1,6 +1,18 @@
 
 {-# LANGUAGE OverloadedStrings, GeneralizedNewtypeDeriving #-}
 
+-------------------------------------------------------------------------------------
+-- |
+-- Copyright   : (c) Hans Hoglund 2012
+--
+-- License     : BSD-style
+--
+-- Maintainer  : hans@hanshoglund.se
+-- Stability   : experimental
+-- Portability : GHC
+--
+-------------------------------------------------------------------------------------
+
 module Music.Lilypond.IO -- (
   -- )
 where
diff --git a/src/Music/Lilypond/Pitch.hs b/src/Music/Lilypond/Pitch.hs
--- a/src/Music/Lilypond/Pitch.hs
+++ b/src/Music/Lilypond/Pitch.hs
@@ -15,7 +15,7 @@
 
 module Music.Lilypond.Pitch (
         Pitch(..),
-        PitchClass(..),
+        PitchName(..),
         Accidental(..),
         Octaves(..),
         Mode(..),
@@ -25,10 +25,10 @@
 import Text.Pretty hiding (Mode)
 import Music.Pitch.Literal
 
-data PitchClass = C | D | E | F | G | A | B
+data PitchName = C | D | E | F | G | A | B
     deriving (Eq, Ord, Show, Enum)
 
-newtype Pitch = Pitch { getPitch :: (PitchClass, Accidental, Octaves) }
+newtype Pitch = Pitch { getPitch :: (PitchName, Accidental, Octaves) }
     deriving (Eq, Ord, Show)
 
 instance Pretty Pitch where