Premiere of Spectrum Distortions II, for string quartet Posted on Saturday July 20th, 2013 by marclopezcompositor.com 2013 July 20th Spectrum Distortions II, for string quartet. Meridies String Quartet Concerts de Clàssica at St. Martí d’Empúries. Sant Martí d’Empúries Church, 8:00 pm. WORLD PREMIERE