Esperanto Music Database

During the Universala Kongreso in 1909, Zamenhof's voice was recorded on wax Edison cylinders. In 1930, a shellac gramophone record was released with the sound from those recordings. Only 50 copies were pressed, and the sound quality was low due to the worn-out cylinders.

Sources

• Esperantaj Bitoj: La Voĉo de Zamenhof