His “New Epigrams” (1997), which have been performed all around the world (USA, Russia, Germany, Switzerland, Austria, France, Venezuela, Croatia, Lituania, Japan, etc.
[6] In December 2009 he was invited to visit Japan (Tokyo, Nagoya, Osaka), where he gave lectures and master-classes and attended several concerts which included the JP Prémière of his set of "Haiku".
They were followed, in February 2010, by a Composer's Portrait by Perspectives Ensemble in Miller Theatre of New York, conducted by Angel Gil-Ordoñez, which included the US Premiere of the "Seven Scenes from Hamlet" (with the actor Chuck Cooper in the soloist role) and the World Premiere of the new work, “Four Darks in Red”, after Rothko, commissioned by Miller Theatre[9] with the collaboration of the Foundation for Iberian Music.
[11] Also in 2010, his work “New Epigrams” was performed by The London Simfonietta, conducted by Frank Ollu, in Barcelona (“'Festival Nous Sons'09', L'Auditori”)[12] and in Madrid (Saison of CDMC, Auditorio 400 Museo Reina Sofia)[13] Next commitments include new commissions and performances by Ensemble 88 Maastricht,[14] Deutsches Kammerphilharmonie Bremen, Ensemble Nomad Japan, Ensemble Cantus Croatia,[15] Grupo Encuentros de Buenos Aires, The Tokyo Sinfonietta, Birmingham Contemporary Music Group, conducted by Oliver Knussen[16] and the London Philharmonic Orchestra, conducted by Vladimir Jurowski.
[17] He has been "Visiting Composer" at the "Cairo Contemporary Music Days 2011" and currently he is working in several commissions by Fundación Autor y la Asociación de Orquestas Españolas (AEOS), the pianist Diego Fernández Magdaleno (homage to Jordi Savall),[18] and the Foundation for Iberian Music at The City University New York.
Recently he has received the commission of a new opera, "L´enigma di Lea", based on the original idea and libretto by Rafael Argullol, by the Gran Teatre del Liceu in Barcelona to be premiered next 2016–2017 Season.
[28] In 1990, the composition of the first piece of the “Epigrams” series was a turning point in Casablancas' musical language; it evolved from the early influence of the formal techniques of serialism towards wider and more sensual idiom, which shows a renewed harmonical, textural and instrumental thinking.
Casablancas’ output covers a wide range of genres, although recently he has been very prolific in the orchestral field; since 2005, he has written “The Dark Backward of Time” (after “The Tempest” by Shakespeare), “Alter Klang.