Rage could've come and gone like so many of the rap-metal clones that swam in their wake. Instead, they came back angrier, tighter and more brilliant than ever.
Rage Against the Machine's farewell gift to fans in 2000 was a covers album filled with a dozen disparate and classic songs filtered through their own distinct prism.
Reliability isn't exactly a defining quality of a rock star. Here are 15 albums that were started (and sometimes finished) but never got an official release.