Modesta Bor was born in Juan Griego, Isla de Margarita.
She studied in Caracas with Elena Arrarte, Juan Bautista Plaza, Antonio Estévez, Maria de Lourdes Rotundo and Vicente Emilio Sojo, graduating with a degree in composition in 1959.
[1] After completing her studies, Bor returned to Venezuela to work as a composer, teacher and choir director, becoming head of the music department in the Central University of Venezuela Culture Department.
She also served as director of the musicology section of Folklore Research of the National Service.
[2] Bor composed for orchestra, chamber ensemble, piano and vocal performance, writing more than 95 choral works for mixed and 130 for equal-voice choir.