On the theme of sickness and health and marriage, went to see these two, who had a hit with Warpaint, when I was 11 or 12. They were billed as England’s Everly Brothers. TheY weren’t, the only similarity was there was two of them.
There have been some covers released, but I've never heard any of them... https://secondhandsongs.com/performance/661350/versions Unless you mean this ?