Allthings Radio Podcast for July 21, 2011 posted on July 21, 2011ATR for July 21 2011. In this podcast you will get the latest radio news, call-letter and format changes. We will also feature Retro Radi and market scopes. radio news. Call-letter and format changes. Radio news. Listen to All Things Radio Podcast 117 for July 21, 2011.