I bought this as a MP3 download. The performance is great. I will leave it to others more musically literate than myself to comment on it. However the Oratorio is spoiled by lumpy and gappy joins at track changes in MP3 format. So if you want to hear it properly, buy the CD. Avoid the MP3 download as the track changes really detract from the listening experience. I probably will not listen to this again because of it.
Just to clarify about downloading this album RE; gaps between tracks. As someone already pointed out if downloaded to a MP3 player there is gaps in between tracks making it useless, but i lownloaded it onto my ipod and it was one continuous, seamless performance throughout as it should be, so it all depends what you download it to.