Hemsy served as Director of the Commission of Music Therapy of the
International Society for Music Education (ISME) from 1974 to 1986. She was professor of music didactics and improvisation at the
University of La Plata, professor of music didactics at the National Conservatory of Music Carlos López Buchardo (1983), and professor at the Municipal Conservatory Manuel de Falla. She was a member of the
UNESCO World Council for the Arts in Valencia, Spain. She wrote about 40 publications that have been translated into English, French, German, Italian, Portuguese, and Dutch, ranging from general
music pedagogy, piano, and guitar teaching, to children's and youth vocal ensembles, as well as
improvisation and
music therapy; She wrote a songbook,
Tucumán canta, featuring the musical heritage of the
Tucumán Province. It was honoured by the Municipality of
San Miguel de Tucumán on
International Women's Day in 2019. , , and . In 1987, Hemsy received the Gold Medal of the Peña El Cardón of Tucumán, ==Works==