Only the Cuckoo Knows5,755 Views SingerHatsune MikuVocaloidProducerDixie FlatlineProducerViews BreakdownNiconico3.1K ViewsYouTube2.7K ViewsDaily Views111/01011/02111/03311/04011/05111/06211/07VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB