Samir Hussein/WireImage

Samir Hussein/WireImageThe Who played its one-off U.K. headlining show at London’s Wembley Stadium on Saturday, and the band’s set included the live premiere of two new songs and a guest appearance by Pearl Jam‘s Eddie Vedder, who was one of the concert’s opening acts.

The first new tune was called “Hero Ground Zero.” In a TheWho.com recap of the show, the band’s official blogger, Brian Kehew, described it as “a mid-tempo pop/rock song, with an incredibly catchy chorus.” An instrumental snippet of the tune was introduced in March in one of Pete Townshend‘s video blogs documenting the recording of The Who’s forthcoming studio album.

The second new tune was identified by Pete as “Still Waiting for the Big Cigar,” which actually appears to be the same as a Townshend solo song titled “Guantanamo” that was featured on his 2015 best-of compilation Truancy.

Both tunes will appear on the band’s upcoming album, which according to Kehew’s blog will be called WHO.

Near the end of the concert, The Who invited Vedder on stage to sing the Quadrophenia cut “The Punk and the Godfather.” Prior to performing the song, Roger Daltrey asked Eddie, “What one were you? You were also the one with the stutter?” — a reference to the track’s lyrics.

“No,” Vedder responded. “I’m still the punk.”

Vedder is a noted Who fanatic, and has performed with the band live several times over the years.

During Vedder’s opening set, he played a number of Pearl Jam songs, plus a cover of Queen‘s “Crazy Little Thing Called Love.”

You can watch fan-shot footage of the new Who songs and the Vedder collaboration now on YouTube.

The Who will launch a new North American leg of its Moving On! orchestral tour on September 1 in New York City.

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