I come from a background with a strong folk singing tradition, and this reminds me of the two camps of folk singers within it: the purists who want to preserve

I come from a background with a strong folk singing tradition, and this reminds me of the two camps of folk singers within it: the purists who want to preserve the "original" tempo, lyrics, melody as it was recorded and documented a century ago and who frown upon deviation from that, and the modernists who adapt, improvise and reinterpret folk songs as they see fit.