From closer to my own ethnicity -

Festival in Poznan

The long haired bloke is multi-talented, multi-instrumentalist Andrew Cronshaw. I have his CD 'On the shouldwers of the great bear' - Sorry, Lizzie, not your current pet ethnic project but a celebration of music from North Eastern Europe.

However. A quick search by anyone will show that the music of North Eastern Europe needs no westernisation -

Like this

or this

If it needs 'rocking up' to be acceptable then the very essence of what you are trying to keep alive will be lost. There is nothing wrong with changing the song. Do what you like with it. But there is plenty of room for all and I don't see how this constant putting down of one form helps the other.

DtG