Within Who’s Next, there are songs that immediately capture the band's energy and evolution. Baba O’Riley, for example, opens the record with a synthesizer loop that becomes the basis of an epic piece, demonstrating the audacity to experiment with new sonic tools. Another key track is Behind Blue Eyes, which shows a more introspective and melodic facet, contrasting with the album's overall power. The recording of these songs, many of which became pillars of their repertoire, took place at a time when the band was seeking to consolidate its sonic identity, moving away from the predictable and betting on what they felt was the future of their music.
The impact of Who’s Next is evident in how songs like Won’t Get Fooled Again, with its powerful ending and message, became anthems. The band, which had already been recognized for its influence on the development of sound equipment like the Marshall stack and for its innovations in guitar technique, consolidated its place in rock history with this work. Their approach to composition and performance, often marked by live experimentation and raw energy, laid the groundwork for many subsequent musicians, who found in them a model for how to expand the genre's boundaries.