Happy Synthesizer17,459,834 Views SingersMegurine LukaVocaloidGUMIVocaloidProducerEasyPopProducerViews BreakdownYouTube9.3M ViewsNiconico7.7M ViewsYouTube419K ViewsDaily Views3K11/012.9K11/023.1K11/033.3K11/043.4K11/053.2K11/063.3K11/07VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB