Here's the recording of "Geordie Black" by Bob Fox and Benny Graham - sounds like a music hall melody to me: https://www.youtube.com/watch?v=otUM_9JNI60. This is the melody from Lloyd's Come All Ye Bold Miners, which Lloyd transcribed from the singing of Peter Elliott, Birtley, Co. Durham (31 July 1963). The other thread has an ABC and MIDI of the tune from Lloyd/Elliott.

Here is the recording from the Ian Campbell Folk Group, more of a pensive folk tune: https://www.youtube.com/watch?v=sfLZl4-_WV4