Yes, Dave did play with the Tornados. He joined in 1989, 27 years or so after their hit 'Telstar'. Dave still performs, mainly on the Isle of Wight where he also runs an entertainment agency, Taylermade Ents.
Ronnie James Dio was the lead singer of Black Sabbath for a little while. They had a few singers after Ozzy Osbourne, none of whom lasted long. I am not sure that Black Sabbath every played "with"...