[FKeyPropertyResult](API\Editor\Sequencer\FKeyPropertyResult) AddNewAttachedSound ( [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) KeyTime, class [USoundBase](API\Runtime\Engine\Sound\USoundBase) * Sound, [UMovieSceneAudioTrack](API\Runtime\MovieSceneTracks\Tracks\UMovieSceneAudioTrack) * Track, [TArray](API\Runtime\Core\Containers\TArray)< [TWeakObjectPtr](API\Runtime\Core\UObject\TWeakObjectPtr)< [UObject](API\Runtime\CoreUObject\UObject\UObject) >> ObjectsToAttachTo )