He, Palito Ortega and Leonardo Favio are considered the principal Argentine singers of the Nueva Ola (New Wave) music that was popular in the 1960s and 1970s in Latin America.
With a mellow voice and his individual interpretative style, Leo Dan is one of the most recognized figures among Spanish-language vocalists.
His inspiration went further than interpretation; he also wrote most of his popular hits.In 2012 The Latin Recording Academy honored Leo Dan by presenting him with The Latin Recording Academy Lifetime Achievement AwardHis hit "Te he prometido" figures prominently on the Oscar and Golden Globe winning film "Roma" (2018) by Alfonso Cuarón.