My last comment seems to have got lost - shame, since it was about folk music!

My Bonny Bunch of Roses is based on Nic Jones's version, which may or may not be distantly related to the Rose Tree. The original broadside was set to the Bonny Bunch of Rushes, which I think is a different tune again - certainly the repeats are different (Rose Tree: 1121; BBoRushes: 1212; Nic Jones's BBoRoses: 1221). My main contribution to Nic Jones's tune is to hammer some of the ornamentation out of it & coax it back towards 4/4.