If you can’t make it to the U.S. Courthouse in Foley Square to attend oral arguments before the Second Circuit Court of Appeals, next month you’ll be able to access audio recordings of them from the court’s own website. See the court’s announcement here or here.
The recordings will become available on August 15, 2016, the first day of the court’s 2016 term.
Most of the other circuit courts of appeals also make audio recordings available on their respective web sites. The 10th and 11th circuits are the exception.