How does the author suggest listening to classic New Orleans jazz?

The author suggests listening to classic New Orleans jazz by immersing oneself in the vibrant atmosphere of live performances, ideally in local venues where the music originated. They emphasize the importance of experiencing the spontaneity and interaction among musicians, which captures the genre's essence. Additionally, the author encourages listeners to appreciate the historical and cultural context of the music, allowing for a deeper connection to its roots and evolution.