Without a doubt, Toronto's Broken Social Scene log as one of indie rock's foremost creative acts, with the collective's umpteen members branching out to numerous projects to sate their ceaseless musical imaginations. And this past weekend at Bonnaroo, we became an outlet for BSS' Kevin Drew and Brendan Canning's undying creativity; the duo stopped by before their mid-day set to perform an improvised tune for SPIN.com.

Watch footage of the pair strumming out "Whatever, I Don't Know," a one of a kind Broken Social Scene composition, written exclusively for SPIN.com.

Now Watch This: Broken Social Scene, "Whatever, I Don't Know"

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