Getting their proper dues was one reason why some artists moved to England that and they were treated more as equals and much appreciated ,one example is Richie Pitts if you have ever chatted with him.
I think the irony may be though that he has probably had more royalties from singing the Black Adder theme song than anything else,
Adder 3: Singers Ritchie Pitts, Alison -’Where Love Lives‘ — Limerick, Lyn Kieran, percussion Nigel Shipway & Richard Marcangelo, oboe Sandra Mackay, cello Lesley Shrigley-Jones, accordion Gavin Povey, bass Robbie Burns, harpsichord Helen Ireland.