There Seems to Be a Hidden Command to Being Happy14,306,738 Views SingersYuzuki YukariVocaloidYuzuki Yukari (VOICEROID)Other Voice SynthesizerProducerUtataPProducerViews BreakdownYouTube11M ViewsNiconico2.8M ViewsYouTube581K ViewsDaily Views2.4K9/212.3K9/222.3K9/232.3K9/24-2.8M9/252.8M9/262K9/27VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB
