Hummingbird2,432 Views Singerprtv_1VocaloidProducerTaDAProducerViews BreakdownYouTube2.1K ViewsNiconico343 ViewsDaily Views2.4K11/01111/02011/03011/04011/05011/06011/07VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB