What was the fatal flaw of Aaron’s two sons Nadav and Avihu on the day of the inauguration of the Mishkan, and what does it have to do with jazz music? Hear from Rabbi Yonatan Udren how spontaneity is a fundamental aspect of our service of God, as long as it’s in tune with the rest of the band. Inspired by the commentary of Rabbi Adin Steinsaltz on Vayikra, and brought to you by the RRG Beit Midrash, the spiritual home for Hebrew University students on campus.