PRESS BLURB -> "When Miriam is installed into your PC she will allow you to create synthesized singing of unprecedented quality and realism. The vocal range is extraordinarily wide and smooth! Miriam can sing any words you wish in English. Enter notes, type in lyrics, and the software renders the synthesized vocal. Add expression to taste, and render again. Miriam is under your total control, with impressive results."
You can decide for yourself how realistic they are from the MP3 demos available here.
Miriam is shipping on July 2nd from Time+Space in the UK for £249.95 inc VAT.