There is some of both on this set. Additionally, some of the phrases are in different keys as well. There used to be a PDF floating around that described the collection fairly well.... maybe at the Spectrasonics website.... don't know where it is now.
I think most ethnic libraries are phrases. I cant recall multisampled ones, unless its different phrases mapped across the keyboard. Vocal Planet has a few multisampled stuff, but I think the ethnic part is mostly phrases.