On the voice of happinessNo posterOn the voice of happiness1931Queuebrick VideoQueueLWatchedWFavoriteFListsDiscussionWhere to watchCopy short link1931On the voice of happiness1h 22mDirected by Léo Joannon·1931QueueLWatchedWFavoriteFWhere to watchListsRateRateNA/10 avgNo member ratings yetOverviewDiscussionDirectorLéo JoannonOverviewDiscussionCastCrewDetailsWhere to watchNo cast listed.