supply is a Japanese composer, arranger and keyboardist. In addition to being a member of the doujin music units 精鋭デストロイヤーズ (Seiei Destroyers), セレナーデ (Serenade) and Thinktank, supply also collaborated with many doujin music circles as a solo artist, his best known works being with Knights of Round, and performs on live stage with the Frozen Frog Band.

The female vocals that can be heard on some of his most recent works aren't credited to anyone because they're actually supply's voice modified through various computer effects.
supply releases some of his works for free on his official website, monotone-infinity. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.