I suggest a quick listen Bert Lloyd's 'Folk Music Virtuoso' which some kind Mudcatter put up for downloading last year - does a magnificent job for those who wish to broaden their musical outlook

Where? When? I had this for ages until I lost it. I love his commentary as he waxes lyrical about the modal melismatics of migrating Indo-European hunter gatherers & herdsmen. Swoon! I must have this! Everyone must have this!