Step 1 : Introduction to the question "7. Which of these bands gave Ozzy Osbourne, a heavy-rock pioneer, his formal start?"
...1. Necromandus 2. Black Sabbath 3. Incubus 4. Quiet Riot Ozzy reunited with Black Sabbath for a tour in the 1990s and in 2004. Necromandus was a short-lived Ozzy creation after his first stint with Black Sabbath. Quiet Riot was the original band of former Ozzy guitarist Randy Rhoads, while Incubus is said to have gained inspiration of Osbourne's success.