Melissa Auf der Maur joins Pumpkins Aug. 5

Melissa Auf der Maur said Billy Corgan invited her back onstage with the Smashing Pumpkins after telling her the band had confirmed a Lollapalooza headlining slot, according to a Guitar World interview published Thursday. The appearance was framed by the magazine as a surprise callback to the band’s late-1990s lineup, when Auf der Maur played bass with the group. (guitarworld.com) Guitar World reported that she joined the band for one song at the festival. The official Lollapalooza site says the 2026 Chicago event ran July 30 through Aug. 2 at Grant Park. (lollapalooza.com) ### What exactly did Auf der Maur say Corgan told her? Melissa Auf der Maur told Guitar World that Billy Corgan reached out after the Smashing Pumpkins had locked in the Lollapalooza booking. In the interview, as summarized by Guitar World, she said Corgan told her the Pumpkins had confirmed headlining the festival and added, “If you wanna join us for a song, please do.” Thursday’s Guitar World item presented the invitation as a personal one from Corgan rather than a formal reunion announcement. (guitarworld.com) The article said Auf der Maur “lifted the veil” on the appearance and described the onstage moment as tied to her history with the band. ### Why did the appearance register as a reunion-style moment? Guitar World said Auf der Maur’s appearance “harked directly back to the ’90s,” linking it to the period when she was part of the Smashing Pumpkins’ touring and recording orbit. (guitarworld.com) The publication’s framing is what turned a one-song guest spot into a reunion-style story line. March coverage on Guitar World’s Smashing Pumpkins page also identified Auf der Maur as having joined the band in October 1999, after her stint with Hole. (guitarworld.com) That chronology helps explain why her return with Corgan carried nostalgia value for longtime fans, even though the latest report described only a single-song appearance. ### How much of this is independently confirmed? Guitar World is the clearest published account now available of the invitation and the guest appearance. (guitarworld.com) Its news listing says the interview with Auf der Maur was published Thursday, and the story states that she went onstage with her former band at Lollapalooza. Lollapalooza’s official website separately confirms the festival’s timing and location — Grant Park in Chicago from July 30 to Aug. 2, 2026 — but the search results available here do not provide a detailed official recap of the guest spot itself. (guitarworld.com) The festival lineup page confirms the event but does not surface artist-by-artist performance details in the excerpted result. ### Why is the Aug. 5 date confusing? August 5, 2026 was a Wednesday, but Lollapalooza’s official help page says the 2026 Chicago festival ended on Sunday, Aug. 2. (guitarworld.com) That means the Aug. 5 reference in the preliminary card material appears to relate to when the story circulated or was discussed, not to the scheduled festival dates listed by Lollapalooza. The published Guitar World piece was available on Thursday, Aug. 6, according to the search result, which fits the timeline of a post-festival interview surfacing after the event had ended. (lollapalooza.com) ### What comes next for readers trying to verify the moment? Guitar World’s Thursday interview remains the main published source for Auf der Maur’s account of Corgan’s invitation and the one-song cameo. Lollapalooza’s official pages continue to host the 2026 festival information for Grant Park, Chicago, covering July 30 through Aug. 2. (support.lollapalooza.com) (guitarworld.com)