Here's where I come from: Playing in 1965 with a Gibson EB-3 in a soul band. Bass came with flatwounds and I used them for years without changing. Then came the early/mid 70's and I switched to a P-bass with Rotosound and D'Addario roundwounds, playing rock. Couldn't get enough of that piano sound and with a coupla 15's in a cabinet it was the real deal. Now I see a shift in opinion again. I play in an acoustic trio and fill in for rock acts in emergencies. I see where the rounds are just not thumpy enough and are too twangy in the acoustic trio, so I get on here and I see all these posts about flatwounds. My question is simple. Is there a current shift away from roundwounds? After all these years I realize strings play perhaps the biggest role in the sound, next to the type of pickup, of course. What gives? Any opinions? Did you change from rounds to flats, and if so, why? Also if you're playing with a humbucker, are you using rounds or flats?