Evolving from Pete Townsend’s idea for a musical autobiography of The Who, the second of the group’s two full-scale rock operas, Quadrophenia, eventually developed into a social, musical, and psychological exploration of the mid-1960s Mod scene in England. Written from the perspective of a British teenager, Jimmy, the band member’s role in the storyline became symbolic, via Jimmy’s four personalities. Like much of Townshend’s work, Quadrophenia examined the universal themes of rejection, rebellion, and the search for identity. Released in October of 1973, the resulting double album — Townsend’s last magnum opus within the context of The Who — was greeted with overwhelming acclaim and featured some of the most majestic music the band ever recorded.

Shortly after the release of Quadrophenia, The Who took to the road in support of the album, touring the U.K. and then North America. This turned out to be one of the most legendary and monumentally frustrating tours of their entire career. The technical requirements of performing Quadrophenia were extremely demanding and performances were often plagued by malfunctioning equipment. Because sound effects and backing tapes were incorporated into the performance, the band was constrained to playing along to these recordings, reducing the spontaneity that had always been a key ingredient to their live sound. Besides technical issues, the band had additional difficulty getting the concept, story, and characters across to North American audiences. Unfamiliar with the Mod scene that was so central to the concept, Daltrey and Townsend’s lengthy explanations of the plot between songs diverted the flow and intensity of the band’s performances. Despite these challenges, this tour featured many moments of brilliance, with sell-out crowds at nearly every stop.

The North American leg of this tour got off to an inauspicious start when on opening night in San Francisco; Keith Moon collapsed on stage several times and was eventually replaced on drums by a teenaged volunteer from the audience. As the tour progressed and Townsend began pairing down the Quadrophenia material to its essential elements, the performances improved. Toward the end of this tour, they were more consistently engaging, and on a good night The Who remained the most powerful and captivating band on the planet.

This brings us to the second-to-last night of this tour, when the band took to the stage of the Spectrum in Philadelphia before a sold out house of nearly 20,000. This show, recorded for broadcast by the King Biscuit Flower Hour, has been the primary source of high quality recordings from this tour and has been the source of raging fan and collector debates for nearly 35 years. Ubiquitously bootlegged ever since the initial broadcasts in 1974, only excerpts of this night’s recordings have circulated, and those were often confused with recordings from the final night of the tour in Largo, another performance recorded by KBFH. Although one multi-track reel is currently MIA, here, for the first time ever, is the vast majority of the Spectrum performance, newly mixed from the original multi-track reels, and sounding sonically superior to all versions of this show in existence. Not only do these newly mastered mixes include all but four of the songs from this legendary night, but the final reel additionally includes the entirety of the encore, previously unknown to exist!

The performance kicks off in fine form with a double dose of primal Who, first with the opener “I Can’t Explain,” followed by a ferocious “Summertime Blues” to warm things up. Next up is a deliciously expanded version of John Entwhistle’s “My Wife,” before they cap off this initial segment of the performance with one of their signature songs: “My Generation.” Both of these feature incendiary instrumental performances from Townsend, Entwhistle, and Moon, with Moon driving at a furious tempo and pummeling in his delivery.

Next, Townsend addresses the audience directly and prefaces the performance of Quadrophenia by way of explaining, “The better part of an album what we wrote about ourselves being Mods, when we were little. The story about the Mod kid and we call it Quadrophenia. Being Mod meant a lot more in England I think than it ever did in America. I think you think of it being a Carnaby Street thing. It’s not just a looking back, it’s a kind of bringing up to date. Quadrophenia’s about where we all are today, maybe you, too. The story is set on a rock in the middle of a stormy sea. In quadrophonic, as well!” With that said, the backing track of “I Am the Sea” leads into the full blown performance of Quadrophenia. Townsend jumps in a bit early, but the performances of “The Real Me” and “The Punk and the Godfather” both cook with a fiery intensity. Daltrey’s vocals are full of passion and the rhythm section of Entwhistle and Moon is absolutely explosive, and “The Real Me” gets stretched out to nearly twice as long as the album version. Townsend delivers another explanation prior to “I’m One” revealing some of his own childhood perceptions. This song, much like his classic “Behind Blue Eyes,” begins as a solo vehicle for Townsend’s voice and guitar alone, before the entire group kicks in to dramatic effect. The remainder of the Quadrophenia material here features plenty of great ensemble playing, while those familiar with the KBFH broadcasts will welcome the appearance of the never-before-heard “5:15,” the riff-heavy “Sea And Sand” and a phenomenal 10-minute rendition of “Drowned” that includes an abundance of grand jamming. These are unquestionably some of the best early live Quadrophenia performances ever captured.

Following the performance of the Quadrophenia material, The Who wraps up with two classic tracks from Townsend’s earlier magnum opus, Tommy. First they deliver a frenetic rendition of “Pinball Wizard,” here humorously introduced as “Pineball Blizzard!,” followed by a majestic set closing finale of “See Me Feel Me,” that leaves the ecstatic audience clamoring for more. For nearly 8 solid minutes this audience roars it’s approval and unison chants. “WE WANT The Who!,” over and over again. When the band finally returns to the stage amidst monumental applause, they cut loose into a smoldering version of “Naked Eye” with Daltrey leading the way. For a solid 13 minutes, this encore burns with an intensity that most bands could only imagine, culminating in the destruction of Townsend’s cherry sunburst Les Paul Deluxe. This will come as a revelation to those already familiar with this show, and brings one of the finest Who shows of 1973 to a dynamic close.

Roger Daltrey – vocals, harmonica; John Entwistle – vocals, bass; Keith Moon – vocals, drums; Pete Townshend – vocals, guitar