hecker has given a multitude of performances, audio presentations and concerts internationally since 1996. amongst many other places, he presented his work at "les spectacles vivants", centre georges pompidou, paris, 2012; mit saarinen chapel, cambridge, ma; lampo, graham foundation, chicago; "push & pull", tate modern, all 2011, "life is live # 2: listen with pain!", hebbel am ufer, berlin, 2010; "sound out of line", urbanomic studio, falmouth; comme des garçons homme plus, palais de la bourse, paris, 2009; "utopia of sound", akademie der bildenden künste, vienna, 2008; "bridge the gap?4", cca, kitakyushu and shanghai; "cut and splice", ica, london, both 2006. casa da música, porto; zkm, karlsruhe; "no fun festival", brooklyn, in 2005. taktlos, dampfzentrale, bern; freunde guter musik, maria am ufer, berlin, in 2006. cca, kitakyushu; ars electronica, brucknerhaus, linz; "all tomorrows parties", chamber sands; "sonic light" (sonic acts festival) amsterdam in 2003. "büro 44", purple institute, paris; "número festival", lisbon; international triennale of contemporary art, yokohama, japan; "nesh", electrowerkz, london; "lovebytes", sheffield all in 2001. büro 30, spiral hall / cay, tokyo; sónar, macba, barcelona; "synthèse 2000", imeb, bourges; "avanto", kiasma, museum of contemporary art, helsinki; "wien modern", konzerthaus, vienna in 2000.