lib/music-transcription/note.rb in music-transcription-0.6.1 vs lib/music-transcription/note.rb in music-transcription-0.6.2

@@ -74,11 +74,11 @@
   
   def transpose diff, transpose_links = true
     self.clone.transpose! diff, transpose_links
   end
   
-  def transpose! diff, transpose_link_targets
+  def transpose! diff, transpose_link_targets = true
     unless diff.is_a?(Pitch)
       diff = Pitch.make_from_semitone(diff)
     end
     
     @pitches = @pitches.map {|pitch| pitch + diff}
@@ -89,9 +89,17 @@
       end
       new_links[k + diff] = v
     end
     @links = new_links
     return self
+  end
+  
+  def stretch ratio
+    self.clone.stretch! ratio
+  end
+  
+  def stretch! ratio
+    @duration *= ratio
   end
   
   def to_s
     output = @duration.to_s
     if @pitches.any?