At the same time, between 1990 and 1998, he regularly attended the Ars musica contemporary music festival composition seminars and workshops, with the participation of Luciano Berio, Witold Lutosławski, György Ligeti, Pierre Boulez, Karlheinz Stockhausen, Brian Ferneyhough, Pascal Dusapin, Iannis Xenakis, Magnus Lindberg, Luca Francesconi and Wolfgang Rihm.
San Juan | Carlos Santana | Juan Carlos I of Spain | William Carlos Williams | San Carlos | Carlos Menem | Don Juan | Don Carlos | Santurce, San Juan, Puerto Rico | Juan Gabriel | Juan Perón | Wendy Carlos | Juan Pablo Montoya | Roberto Carlos | Carlos the Jackal | Carlos Sastre | Carlos Gardel | Carlos | Strait of Juan de Fuca | Juan Ramón Jiménez | Juan Luna | San Juan, Metro Manila | San Juan Islands | San Juan, Argentina | San Carlos Water | Carlos Saura | San Juan del Sur | Roman Catholic Diocese of San Carlos de Ancud | Juan Manuel Santos | Juan Gris |
He also recorded monographies of young composers, the German David Helbich (2003), the Argentine Juan Carlos Tolosa (2004) and the Canadian André Ristic (2005).