In the summer of 1972, Frank Zappa was deep into the creative whirlwind that was his career, releasing the seminal album *Waka/Jawaka* shortly after this live performance with The Grand Wazoo Band. This album not only showcased Zappa's unique blend of jazz and rock but also captured his fascination with orchestration, featuring a large ensemble of musicians that embodied the adventurous spirit he often sought in his work. The live recording from Boston, which took place on August 31, 1972, is an excellent snapshot of this phase in his career—a time when Zappa was experimenting with complex arrangements and sophisticated instrumentation. Interestingly, the footage appears to be personal home movies by trumpeter Malcolm McNab, adding a layer of intimacy and authenticity to the performance. It’s like catching a glimpse behind the curtain of a musical maestro, witnessing his relentless drive to push boundaries on stage. This spontaneity resonates with Zappa's ethos: music should be exploratory and endlessly fascinating.