VOCALS:
Castells Project - Bizarre Love Triangle 2002
Francesco Farfa (Human Bridge) - Changing Shapes 2005
VOCALS & LYRICS:
Disco Estrella 2006 / Disco supermodelo 2006 - Tonight is enough
Robbie Moroder feat. Celia 2008 - Party Starts
Robbie Moroder feat. Celia 2008 - Miami Beach
