Born in Shatsk (today Ukraine). Officiated as cantor in Vilna for thirty years (1893-1923). A prolific composer who published both liturgical works and musical settings for Hebrew and Yiddish songs. Published a collection of Eastern European Jewish folk melodies (1927).
Two comprehensive biographies covering the life and works of Abraham Moshe Bernstein can be found here.
Recordings of his compositions can be heard here.