Yes. The ads have urls like http://cmodmedia201.live.streamtheworld.com/media/cm-audio/cm:d55b9957-1363-41ab-f094-97ddd3943134.mp3 http://cmodmedia201.live.stre

Yes. The ads have urls like http://cmodmedia201.live.streamtheworld.com/media/cm-audio/cm:d55b9957-1363-41ab-f094-97ddd3943134.mp3 http://cmodmedia201.live.streamtheworld.com/media/cm-audio/c... whereas the song content is served from a different host entirely (m.cdn2.rd.io). Presumably this is just because the ads are served from an external ad network, not rdio itself. You can see the ad request failing in Chrome dev tools, and the console tab shows "net::ERR_BLOCKED_BY_CLIENT".