sentences:  His album in 2006 Dos Improntuswith renowned accordionist, Raúl Barboza, was a meeting of different musical worlds.Edelstein's intention was that through playing together in a process of composition in the moment (rather than formally writing) he would create a new kind of synthesis of the Argentine experience and history of music.The disc has caused much discussion and is influencing musical culture in Argentina and Latin America, including becoming sited in various research works.