Executives at SoundExchange, the much-hated collectors of digital-music royalties, have been caught doing something naughty . Much to the delight of Internet radio stations fighting higher online-music fees, a federal appeals court slapped their wrists for supporting special interest group MusicFirst Coalition. The supposed "coalition," actually an industry front, is lobbying to levy performance royalties on terrestrial radio stations — much like SoundExchange's own mission to collect billions of dollars from Internet radio.