Peshuto Shel Mikrah. R' Menashe Klein, Mishneh Halachot: 13:133-4 Meeting the Needs of the Chassid in Prison. MH 4:72: Mixed Synagogue Dances. Using Secular Tunes within Jewish Liturgy. Bet Yosef: The New Biography of R' Ovadia Yosef. - Nov 20, 2022 - R' Lessin. Peshuto Shel Mikrah. Chabad: Eruv. The Rav and son of a Reform rabbi. Sukkah in US prison. R' M. Feinstein: Mikveh on Shabbat morning. Mishneh Halachot 13:133-4: Chassid in prison: Provide chavruta & visitor for Shabbat. Radio. Tzitzit tied by prisoners. Zvi Thau. Rikers Island. Prisoner should attend family hilulahs, weddings. R' Aharon Kotler and Mafia boss. R' Meir Kahane sets a precedent: Kosher food in jail. Mixed dances in shuls: R' Herbert S. Goldstein and Young Israel. Ballroom dancing on Shavuot: R' Joseph Steinhardt in Solomon Freehof's A Treasury of Responsa. Shulchan Arukh: Dancing on Shabbat. R' Lessin on dancing in Slobodka. R' Ovadia Yosef, his daughter, and R' Kotler: Bringing secular tunes into liturgy.