Which famous rock band is in the picture?

The rock band in the picture is Black Sabbath. Ronnie James Dio replaced Ozzy Osbourne as lead vocalist in 1979 and appeared on three studio albums with the band which met with success: 'Heaven & Hell' (1980), 'Mob Rules' (1981) and 'Dehumanizer' (1992).

Ronald James Padavona (July 10, 1942 – May 16, 2010), known professionally as Ronnie James Dio or simply Dio, was an American heavy metal singer-songwriter and composer and was also known for popularizing the sign of the horns in heavy metal. He fronted or founded numerous groups throughout his career, including Elf, Rainbow, Black Sabbath, Dio, and Heaven & Hell.

Black Sabbath was an English rock band formed in Birmingham in 1968 by guitarist Tony Iommi, drummer Bill Ward, bassist Geezer Butler and vocalist Ozzy Osbourne. They are often cited as pioneers of heavy metal music. The band helped define the genre with releases such as 'Black Sabbath' (1970), 'Paranoid' (1970), and 'Master of Reality' (1971). The band had multiple line-up changes following Osbourne's departure in 1979, with Iommi being the only constant member throughout its history.