Certain notable performances that represent his unique repertoire choices include his interpretation of the Lutoslawski-Paganini Variations with the Orchestra della Svizzera Italiana at the opening of the 2007 edition of the Lugano Festival, his rendition of the Mac Dowell second piano concerto with the Liege Philharmonic Orchestra at the opening concert of their own Festival Amériques in 2008. Both performances caused sensation and received significant critical acclaim. He was selected for The Ruhr Piano Festival Stipend of the year 2008 and as part of this promotional project released a live solo recital cd including one of his own transcriptions L'Enigma for FonoForum magazine.
Lately, apart from his career as an international performer, Vallina also regularly gives masterclasses and personal advice to many young musicians who have claimed to be truly inspired by his very particular insights. His masterclasses at the Vienna Conservatory, at the Barcelona Liceo, Havanaʼs Mozarteum and Monterrey International Festival to name a few, have been considered a revelation not only by the students but also by attending colleagues in the audience. Recently he is also invited as a jury member to some international piano competitions and at the same time he is involved in the creation of certain unconventional ideas and crossover-projects.
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