You turned down a contract abroad, instead opting for unemployment?
And if we dont know the author of a folk song, how do we know it is English? What about the songs of fishermen in India? By your rule they count as English fok songs!
What about music by groups such as Faustus? Certainly the accompaniament is far from light, yet it is considered by many to be traditional English folk music. How would you define such a group?