Harav Yaakov Tzvi Blejer 007-Biur Tefillah Shemona Esrei – Selach Lanu Mussar and HashkafaBiur Tefillah - Shemona Esrei by Rabbi Blejer https://shiurim.kzmnmb.org/wp-content/uploads/audio/shiurim/2019/12/Biur-Tefillah-Shemona-Esrei-7-Selach-lanu.mp3