There Seems to Be a Hidden Command to Being Happy13,978,213 Views SingersYuzuki YukariVocaloidYuzuki Yukari (VOICEROID)Other Voice SynthesizerProducerUtataPProducerViews BreakdownYouTube11M ViewsNiconico2.7M ViewsYouTube555K ViewsDaily Views-14M4/2014M4/212.2K4/221.7K4/232K4/241.8K4/251.9K4/26VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB
