ZZ Top bassist Elwood Francis revealed he still can’t wrap his head around being the replacement for Dusty Hill – even though he’s been in that role for three years. Francis was called up to stand in for a few shows in 2021 while Hill was expected to recover from illness. But the co-founder died a few weeks later, leaving the longtime band roadie in a position he still believes isn’t his own. “When I first started doing it, Dusty was just sick and going home for a few weeks,” Francis told Guitar World in a new interview. “It was entirely different; I was just helping out.” READ MORE: Ranking E…