He composed and sang new nigunim ( melodies ) each year for the High Holy days and Jewish holidays .
The first Radomsker Rebbe , Rabbi Shlomo Hakohen Rabinowicz , had a beautiful singing voice and was renowned as a hazzan and composer of Hasidic music .
Rabbi Shlomo Hakohen Rabinowicz composed and sang new nigunim ( melodies ) each year for the High Holy days and Jewish holidays .
The first Radomsker Rebbe , Rabbi Shlomo Hakohen Rabinowicz , had a beautiful singing voice and was renowned as a hazzan and composer of Hasidic music .