As Prince blew minds and brought the funk at La Zona Rosa, the Smashing Pumpkins closed out SXSW 2013 with their own exclusive Austin showcase, performing at the Red Bull Sound Select Stage for a crowd of 350. As reports, Billy Corgan and the gang turned in a career-spanning set, mixing such classics as 'Cherub Rock' (watch above) and 'Tonight, Tonight' with cuts from last year's 'Oceania.'

The audience even chipped in a song of its own, singing 'Happy Birthday' to Corgan, who today (March 17) turns 46 years old. While playing an intimate show for a roomful of diehards willing to wait hours in line for entry seems like a swell way to spend a birthday, we're guessing Billy would have rather been at that Prince show. How could you not have?

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