diff --git a/HarmTrace-Base.cabal b/HarmTrace-Base.cabal
--- a/HarmTrace-Base.cabal
+++ b/HarmTrace-Base.cabal
@@ -1,11 +1,11 @@
 name:                HarmTrace-Base
-version:             1.0.0.2
+version:             1.1.0.1
 synopsis:            Parsing and unambiguously representing musical chords.
 description:         HarmTrace: Harmony Analysis and Retrieval of Music 
                      with Type-level Representations of Abstract
                      Chords Entities
                      .
-                     We present HarmTrace-Base, a libary for parsing and 
+                     We present HarmTrace-Base, a library for parsing and 
                      unambiguously representing musical chords.
 
 copyright:           (c) 2012--2013 W. Bas de Haas and Jose Pedro Magalhaes
@@ -25,8 +25,8 @@
         
   hs-source-dirs:      src  
   
-  build-depends:       base >= 4.4 && < 4.7, uu-parsinglib ==2.7.4.*, 
-                       ListLike ==3.1.*, binary >= 0.6.4, ghc-prim >= 0.2
+  build-depends:       base >= 4.4 && < 4.8, uu-parsinglib ==2.7.4.*, 
+                       ListLike >=3.1, binary >= 0.6.4, ghc-prim >= 0.2
   
   
   ghc-options:         -Wall
diff --git a/src/HarmTrace/Base/MusicTime.hs b/src/HarmTrace/Base/MusicTime.hs
--- a/src/HarmTrace/Base/MusicTime.hs
+++ b/src/HarmTrace/Base/MusicTime.hs
@@ -61,11 +61,12 @@
   , dropTimed
   , timeStamp
   , beat 
+  , prettyPrint
 
 ) where
              
 import HarmTrace.Base.MusicRep
-
+import Data.List (intercalate)
 
 -- | When reducing and expaninding 'TimedData' types there might be rounding
 -- errors in the floating point time stamps. The 'roundingError' parameter
@@ -132,7 +133,7 @@
   a == b = chordLab a == chordLab b
   
 instance Show (ProbChord) where
-  show (ProbChord c _p) = show c -- ++ ':' : printf "%.2f" p
+  show (ProbChord c p) = show c ++ ':' : show p
   
 instance Show Beat where
   show One   = "1"
@@ -295,3 +296,13 @@
 -- 'Timed' data structure 
 dropTimed :: [TimedData a] -> [a]
 dropTimed = map getData
+
+-- | Pretty prints a list of 'TimedData's, one per line
+prettyPrint :: Show a => [TimedData a] -> String
+prettyPrint = intercalate "\n" . map pprint where
+
+  pprint :: Show a => TimedData a -> String
+  pprint (TimedData d [ ]) = "not set - not set: " ++ show d
+  pprint (TimedData d [x]) = show x ++" - not set: " ++ show d
+  pprint (TimedData d ts ) = show (head ts) ++ " - " ++ show (last ts) 
+                                            ++ ": "  ++ show d