Harav Yaakov Tzvi Blejer Megillas Esther with Pirush HaGr”a #18 Yomim TovimMussar and HashkafaSifrei HaGr"aPurimMegilas Esther with Pirush HaGr"a https://shiurim.kzmnmb.org/wp-content/uploads/2025/03/Megillas-Esther-Pirush-Gra-18-03102025.m4a.m4a