Monolith is a box set made by the Avant-garde music composer Buckethead under the name of Death Cube K (an anagram of Buckethead), released in December of 2007 through TDRS Music. This Box set contains 5 unmarked CD-R's in 5 unmarked cases, each one with only 1 unbroken track per CD. Currently, this set is only available through the TDRS web page ().