Ale Castro (a.k.a Rhythm & Substance) is one of the DJ's/ Producers belonging to the new breed Argentina, with support of great artists like Richie Hawtin, Dubfire, Erick Morillo, Alejandro Mosso, Popof, Roger Sanchez, Gorge, Hugo, Maetrik (a.k.a Maceo..
Sven Weisemann, Quadrakey, Luca Olivotto, David Silver, Maltitz, Ruff Stuff, Nephews, Enzio Etchaberri, Habibi Grooves, Peter LC, Juli N. More, Eva Crystaltips, Ale Castro, Paul Hupfer, YOUCANCALLMEOLIVER
Seemless, Babxi, Etiennette, Martin Meyer, Mike vom MOnd, Pointbliss, Don Andres, Felix Schall, Omi on Acid, FUCHSEN, Brizman, Ale Castro, Bianka Banks, Nepø, SKADI, Chris Brid