Jack 94.5 (CKCK)

Jack 94.5 (CKCK) live sounds like a garage door going up: loud, immediate, no ceremony. The format is classic rock radio Canada style, flipping between Led Zeppelin and the Arkells without blinking. Some of it's predictable. The same Foo Fighters singles you've heard since 1997 show up more than they should. But the deep cuts sneak in. Mid-afternoon you might catch Sloan or Sam Roberts Band wedged between AC/DC and Queens of the Stone Age, and that's when the station earns its keep. The voice-tracked banter is hit and miss. Jokes land, then a few thud. Still, the music does the heavy lifting.…