Music Is Rotted One Note is the third studio album by English electronic musician Squarepusher, released on 12 October 1998 by Warp.

The album is a departure for Squarepusher, with only elements of the familiar drum and bass style appearing in a largely jazz fusion production.

The production of Music Is Rotted One Note did not involve any sequencing or sampling equipment, which had featured heavily on Squarepusher's previous work.

[4] Many of the tracks instead have a "live" feel, featuring virtuoso playing by Squarepusher on the drums and bass guitar.

His own comments on the album include: One of the reasons that I headed in that direction as opposed to the more computer sequence-type stuff is because I was actually beginning to feel really limited using sequencers and samplers...