YES!!!  This should be AWESOME!!  You may have seen the drum-off between Chad Smith and Will Ferrell.  Yesterday, the gauntlet was thrown down as they called out Metallica's drummer, Lars Ulrich.  Today, Lars responded.  Read his response here.  It's all for charity, so it's even better!

Willferrell-LarsUlrich-ChadSmith-drumoff

Courtesy Metal Injection