sentences:  His other teachers, before Kröpfl, were the prominent Argentine composers from a different aesthetic and school, Mariano Etkin and José Maranzano.Later during the most turbulent years of the period of Argentina's "Dirty War" (1976–78), Edelstein left the country and spent nearly three years traveling and studying.His travels included two years in France, staying near Paris and also going to the Abbaye de Solesmes, visiting libraries, museums and monasteries to understand more about medieval music.