found: Rosh hashanah service. [Phonodisc] 1969.
found: A Jewish celebration in song, p2004:label (Abraham Kaplan) insert (b. 1931)
found: Ravel, M. Daphnis et Chloé [SR] p2014:booklet, p. 88 (Camerata Singers; Abraham Kaplan, chorus master)
found: Classical Music Guide website, September 15, 2015(born in Tel-Aviv on May 5, 1931; attended Juilliard School between 1954 and 1957; choral music director of Juilliard from 1961 to 1977; choral director frequently working with orchestras such as the New York Philharmonic under Leonard Bernstein)
found: Abraham Kaplan website, September 15, 2015(conductor/composer; founded his own group, the Camerata Singers in 1961; served as music director of the Collegiate Chorale in New York (1961-73), music director of the Symphonic Choral Society of New York (1968-77), and associate conductor for choral activities at the Seattle Symphony (1995-2000); Kaplan resides in Seattle, Washington, and directs the choral studies department at the University of Washington)
found: Abraham Kaplan website, October 16, 2023:home page (Abraham Kaplan; died in Tel Aviv on the 6th of September, 2023) - https://www.abrahamkaplan.com/
found: Seattle times obituaries, September 10, 2023, viewed October 16, 2023(Abraham Kaplan, May 5, 1931-September 6, 2023; born in Israel; died in Tel Aviv; came to America in 1954 to study at The Juilliard School. Soon after graduation, he was invited to join the Juilliard faculty as Director of Choral Studies, a position he held with distinction from 1961-1977; conducted professional choruses and formed a long-lasting musical collaboration with Leonard Bernstein and the New York Philharmonic, and with the Park Avenue Synagogue. In 1977 he relocated to Seattle and directed choral studies at the University of Washington. He later became an associate director for choral activities of the Seattle Symphony)