Fleetwood Mac’s Stevie Nicks has added her tribute to the band’s late co-founder, Peter Green, confessing her biggest regret is she never shared the stage with him.Green quit the group in 1970, five years before Stevie joined the group, and he never returned to play with the band.Following his death on Saturday (July 25, 2020), fellow co-founder Mick Fleetwood led the tributes to his old pal, calling his death “monumental”, and hours later, Stevie joined those offering up thoughts and prayers to