Matthias "Matthew" Hoffmann, a prominent figure in the electronic music scene, has produced under various aliases, including Brainchild, A.C. Boutsen, Cygnus X, Dee. FX, Vernon, Zyon, Odysee Of Noises, and Metal Master. As Brainchild, Hoffmann released notable tracks such as "Synfonica" and "Symmetry." The latter, originally released in 1994, became a trance classic and was revisited in 1999 with new remixes, including the "Symmetry C (Lange Breakbeat Remix)." Hoffmann's contributions under the Brainchild moniker have significantly influenced the trance genre, showcasing his versatility and enduring impact on electronic music.