Sato.

sato. (real name - Satoshi Matsuzaki) is a japanese non-stop mix engineer, lyricist and a founder of dot shock. doujin circle. He has worked with vast amount of doujin such as Eurobeat Union, SuganoMusic, K2E†Cradle, もぱた., DTXFiles.nmk and etc.

sato. has a nickname Champ (チャンプ) he earned for consecutively winning in the Eurobeat Union's edit tournaments since the 2nd round.