Check out this podcast of Mahler's 2nd symphony with commentary. This link also leads to Aaron Cohen's similar treatment of Mahler's 1st.
Available July 7, 2021
The podcast series Embrace Everything – The World of Gustav MahlerTM, a multi-season exploration of the composer’s complete symphonies, continues with Symphony No. 2.
The Embrace EverythingTM podcast series was created and is hosted by award-winning radio producer Aaron Cohen. It explores and celebrates the music of Gustav Mahler (1860–1911) by taking a journey through his symphonies. Using interviews with leading Mahler interpreters and scholars, readings from the letters of Mahler and his contemporaries, commentary from Mr. Cohen, and the sounds of the symphonies themselves, each season of the series guides listeners through one of these landmark works in the orchestral repertoire.
https://www.theworldofgustavmahler.org/