Showing up to your job drunk is a bad idea in any occupation (unless you're doing a hangover sleep study), but if you're a famous musician, you are going to let down thousands of people. These artists got so drunk before their concerts that they gave embarrassing performances that their audiences would never forget, even if the artists did pretty much right away. From the Poison guitarist who kept playing the wrong song at an awards show to the classic rock drummer who had to get replaced by an audience member mid-show, let's take a look at some times musicians were too wasted to perform live.
