Levente Uzonyi uploaded a new version of Sound to project The Trunk:
http://source.squeak.org/trunk/Sound-ul.10.mcz

==================== Summary ====================

Name: Sound-ul.10
Author: ul
Time: 12 December 2009, 2:49:21 am
UUID: eeea6e0f-a08c-2046-a4ad-6c680856a177
Ancestors: Sound-nice.9

- replace sends of #ifNotNilDo: to #ifNotNil:, #ifNil:ifNotNilDo: to #ifNil:ifNotNil:, #ifNotNilDo:ifNil: to #ifNotNil:ifNil:

=============== Diff against Sound-nice.9 ===============

Item was changed:
  ----- Method: MIDIScore>>eventMorphsDo: (in category 'ambient track') -----
  eventMorphsDo: aBlock
  	"Evaluate aBlock for all morphs related to the ambient events."
  
  	ambientTrack == nil ifTrue: [^ self].
+ 	ambientTrack do: [:evt | evt morph ifNotNil: aBlock].
- 	ambientTrack do: [:evt | evt morph ifNotNilDo: aBlock].
  !