The Boss Dr. Sample SP-303 is a discontinued digital sampler from Boss, successor of the Boss SP-202 Dr. Sample. The SP-303 was revamped and redesigned in 2005, and released as the SP-404, by Roland Corporation.

Madvillainy is the only studio album by American hip hop duo Madvillain, consisting of British-American rapper MF Doom and American record producer Madlib. It was released on March 23, 2004, on Stones Throw Records.