[1] He taught that the tunes he heard were really from the Holy Temple in Jerusalem, and were lost among the nations over the years, and he found them and returned them to the Jewish people.
He was the son of the Rozler Rov and son-in-law of Grand Rabbi Pinchos Shapiro, the Kechneyer Rebbe, scion of the Nadvorna Dynasty.
[3] The foundation stone was laid on 7 Adar 5723 (3 March 1963), the day of the Yahrtzeit of the founder of the dynasty, Grand Rabbi Isaac Taub.
He is also active in Jewish outreach and holds regular lectures for groups of professionals, including doctors and police officers.
[4] Currently, Rabbi Horowitz is building a holocaust museum upstairs from the Kaliv beis midrash in Israel, a project the previous Rebbe had initiated.
His father was the previous Kalover Rebbe, Grand Rabbi Menachem Shlomo Taub, the author of Chakal Tapuchin.
He was known for his world-travels where he would deliver lectures and private audiences to encourage Jews of all types to increase their commitment to Judaism.