While the the television broadcast booth went instantly silent and stayed that way for most of yesterday’s power failure at Super Bowl XLVII, Dial Global Sports’ radio play-by-play crew went ‘old school’ and turned to a decidedly un-high tech method to stay on-the-air — landline phones! That’s Kevin Harlan (pictured) keeping radio listeners up-do-date, while his broadcast partners Boomer Esiason, Jim Gray, James Lofton and Mark Malone also contributed by telephone until full power was restored. (Hear what “away game” broadcasts used to sound like on radio back in the “good ol’ days” as Harlan explains to radio listeners just what was happening in the Super Dome.  Here's the audio