I am struggling with the category table under internet in iTunes. I can interact with the table, vo to a category such as classical, but I am unable to figure out how to access the radio stations in the category. I hear something like "status collapsed," then a category such as classical collapsed, then "comments collapsed." How do you access the radio stations under each genre to play them? I must be really dense, can't figure it out. Any help is appreciated. I have a MacBook Air and all software is up to date. Thanks so much.