In September 1973, Uriah Heep performed live at the Budokan in Tokyo, showcasing their evolving sound following the release of their album "The Magician's Birthday" in 1972. This album is notable for consolidating the band's progressive rock style and included tracks like "Sunrise," which was featured in the live recording. By this time, Uriah Heep had already gained significant popularity and was known for their energetic live performances. The lineup at the Budokan included iconic members such as David Byron on vocals and Ken Hensley on keyboards, both of whom played pivotal roles in shaping the band's musical identity. This performance emphasizes their rise within the rock scene during the early 1970s, marked by a distinct blend of heavy rock and melodic elements, indicating their trajectory toward becoming one of the era's prominent progressive rock bands.