In September of 1983, when Rush performed "Countdown" live at Radio City Music Hall, they were riding the wave of their critically acclaimed album "Signals," which was released just a few months earlier in September 1982. This album marked a significant shift in their sound, embracing synthesizers and a more accessible pop-rock style while still delivering the complex musicianship that fans adore. Interestingly, "Countdown" serves as a tribute to the Space Shuttle Challenger, marrying their love for science fiction with heartfelt reflections on humanity's ventures into space. By this time, Rush was at a pivotal point in their career, having transitioned into a more mainstream appeal while maintaining their progressive roots. The performance in New York not only showcased their technical prowess but also their ability to engage audiences emotionally, balancing intricate solos with poignant lyrics. It’s a snapshot of an artist evolving while still paying homage to their roots.