Now I've had a look at the official site, I'm in two minds about this - two minds separated by a wide gulf.

The music sounds interesting, with a Finnish folk group and a composer of Bollywood music involved I'm thinking of some truly bizarre scores. However, the producer worked on the musical of Whistle Down the Wind, and I can't even begin to say what a massacre they made in adapting the original film.
I'd still be likely to go and see it if it opened in London, as my curiosity would get the better of me, and I like to sample bizarre sounding entertainment (which is why I saw Jerry Springer the Opera, which was
splendid). But if it's going to be bad then at least we'd get advance warning when they release songs from the soundtrack. The proof will be in the pudding as they say... I remain nervous about this, just as I was about the films.