Billy Corgan dusted off some of his pre-Smashing Pumpkins tracks during a run of intimate acoustic shows this month – check out the videos below.As Stereogum reports, the frontman has performed at Madame ZuZu’s tea shop in the Chicago suburb of Highland Park, Illinois over the previous two weekends (on October 2/3 and October 9/10).Footage from Corgan’s stripped-back gig on Saturday (October 9) has since emerged on YouTube.