Poison's Rikki Rockett showed up to the Rainbow one rare night out and ran straight into Metallica's Lars Ulrich, the guy the press said he was supposed to hate.
James Hetfield's pyrotechnic accident left Metallica losing a million dollars a day, and the band's next move involved a 20-year-old guitarist nobody expected.
Loudwire has spent the past year talking to rock and metal artists along with family members to get their perspective on Ozzy Osbourne following his death. Here's what they told us...