What are the Innv 140s?? I have tried supersilver A&E with gut G&D and they sound good acousticly but they loose the punch when pluged in.
Supernyls are not very good stings,,but I have heard basses from far away that leaves you wondering what on earth is on that bass??,,then you find out supernyls,, I have some ideas that the supernyls could be a bit redesigned and make a decent silver wrapped A&E,I think my idea would give them a little more tenison and get rid of that "roll" that they have,,but the nylon wrapped G&D are not much.
As far as Missy s tone I really find her tone to be more of a jazz tone than trad.bluegrass tone,,Hybrids would be on the other end of the scale from supernyls,,