Another good one, slowpoke!
That's Undun, by Guess Who. Pretty damn good for a B-side. I bought most of their 45s back then, at least when I could afford to. Was the A-side Laughing?
OK, since we're on Canadian groups, this melancholy 1972 thing topped the charts in Canada, and reached #9 in the US:
Be careful how you touch her, for she'll awaken
And sleep's the only freedom that she knows
And when you walk into her eyes, you won't believe
The way she's always payin' for a debt she never owes