Also know as "Nissi Belzer". His birth place is uncertain, but most sources agree on his Lithuanian origin. Spivak sang in the choir of Yeruham Blindman in Berdichev. Later, he officiated as cantor in Belz (hence his nickname), Kishinev, and in Berdichev (1877-1906). He was known to have a "small" voice, due to an accident in childhood that harmed his voice. He compensated for this by singing interesting improvisations and melodic themes, and by increasing the choir parts in his choral arrangements and compositions. Spivak had many pupils who sang in his choir in Berdichev, such as Pinhas Minkowski and Jacob Beimel.