Talk about your Canadian content. It took the Guess Who more than an hour to get to their American Woman signature tune at the John Labatt Centre last night. But before sending about 5,000 boomer-aged fans into a frenzy with its classic rock din and riffs, the band had rolled through its hits and then some.

"This is a Canadian band and is damn proud to be one, too," Guess Who singer and keyboard player Burton Cummings announced by the 15-minute mark. The Winnipeg band had already played Bus Rider, a 1970 hit, as its opener. Following that had been Guns, Guns, Guns and Hand Me Down World, other vintage hits from more than 30 years ago.

The CanRock statement about songs written and performed by Canadians was the perfect lead-in to the ballad, These Eyes. The sound was still getting settled. Cummings was, he would say, later "smokin'" at the keyboard and smooth on his vocals.

The big cheers after the CanRock introduction went to Cummings' co-frontman Randy Bachman, who responded to the vocalist's urging to play one of his post-Guess Who hits, You Ain't Seen Nothing Yet. That Bachman-Turner Overdrive classic had Bachman beaming and Cummings and second guitarist Donnie McDougall riffing along.

Cummings was in big voice, getting his huge cheers later for a soaring vocal finish to Undun. That time, it was Bachman leading the cheering.

The Cummings-Bachman interplay is the key to the Guess Who. At last night's concert, both men seemed happy to be back together for this brief tour. More than ever, the two seemed like Canadian rock's answer to the Beatles' pairing of John Lennon and Paul McCartney. The key difference -- and how Canadian, eh? -- is that Cummings and Bachman were able to reconcile and rock some more. Tragedy prevented the two Beatles from doing that.

After an unplugged segment mid-set, Guess Who longtime drummer Garry Peterson and more recently arrived bassist Bill Wallace were ready to chug along with some blues. Included were neat covers of I'm A Man and Hoochie Coochie Man.

Then it was time for American Woman and after that upheaval settled down, the band worked toward some more explosions. Those included another big nod to Bachman's post-Guess Who success with Takin' Care of Business. Bachman was in such fine guitar form, he even pulled Glamour Boy -- one of their least greatest -- out of dullsville with a fine, long solo. Vintage 1970s stuff, all of it.

Alt-rocker Andy Stochansky opened and had to endure vintage fans talking over his tunes.

That was never a problem for the Guess Who, who rocked loud and proud all night long.