diff --git a/src/Temporal/Music/Score.hs b/src/Temporal/Music/Score.hs
--- a/src/Temporal/Music/Score.hs
+++ b/src/Temporal/Music/Score.hs
@@ -10,7 +10,7 @@
     -- * Mappings
     mapEvents, tmap, tmapRel,
     -- * Rendering
-    render, alignByZero, sortEvents,   
+    dur, render, alignByZero, sortEvents,   
     -- * Miscellaneous
     linseg, linsegRel,
     -- ** Monoid synonyms
diff --git a/temporal-music-notation.cabal b/temporal-music-notation.cabal
--- a/temporal-music-notation.cabal
+++ b/temporal-music-notation.cabal
@@ -1,5 +1,5 @@
 Name:          temporal-music-notation
-Version:       0.2.0
+Version:       0.2.1
 Cabal-Version: >= 1.2
 License-file:  LICENSE
 License:       BSD3