This virtual singer give incredible good results with vocalise melody.
This is a long time that I have not used it, but Idiot Savant's latest song song made me recall of it.
Vocaloid Prima can sing sentences, but it shines especially when it sing simple vocals.
Please find attached two very old compositions I made with Notion and Vocaloid (notionwas used with the vst plugin of vocaloid, but after, I rendered notion and vocaloid separately to be able to use Vocaloid 3 Superior quality for better phrasing/slured speech).
Here is a link to one of my old archived songs with a vocalise/rendition with Vocaloid Prima:
https://soundcloud.com/yves-berranger/vogue
and here is the link with a singing poem from Shel Silverstein (this is an extract from a series of poem for sopranos, here in Where sidewalks ends, we have a duet of sopranos):
https://soundcloud.com/yves-berranger/sidewalk
you would hear in this last song, that the words are quite difficult to understand...

I am still looking for improvment on Vocaloid for a better English speaking rendition (especially on consonnances)...
you will here in those oldest songs/mélodies that I used more classical scale, while in my latest composition I explored some more unusual Kumoi/Iwato scales with frequent disruptures of scales... here this is quite a "classical feeling" that emerge from it!
Your feedback is welcome!!

