Question: Master Kilby (Roud 1434) is a traditional English folk song, it was collected by Maud Karpeles, and which person, who was the founding father of the folk-song revival in England in the early 20th century?
Sentence (from "Billy Boy"): It is a variant of the traditional English folk song "My Boy Billy", collected by Ralph Vaughan Williams and published by him in 1912 as number 232 in "Novello's School Songs".
Relevant evidence: No