Pavel Slavensky was born in 1909 as Pinchos Yaakov Freilich in Czechoslovakia. He was one of six children of a hassid from the Belzer court. After WWII, he served at various congregations in the USA, became the first permanent cantor of the Adat Shalom Synagogue in Northwest Detroit where he served until 1949 when he moved to Temple Sholem on Lake Shore Drive, Chicago. He was in Curaçao from 1971 to 1975 and edited a selection of transliterations of responses and hymns of the Sabbath service. One piece attributed to him, En kelohenu, was found in the archive.