"Macross FB7: Ore no Uta o Kike!" is a unique entry in the Macross franchise, blending elements from both the original "Super Dimension Fortress Macross" and "Macross Frontier." The narrative centers around Ranka Lee, a rising idol singer from "Macross Frontier," who discovers a mysterious data chip containing footage from the original Macross era. The chip features the exploits of the legendary pilot Roy Focker and the iconic singer Lynn Minmay, whose music played a pivotal role in the First Space War. As Ranka delves into the footage, she begins to draw parallels between the past and her own experiences, particularly the power of music to influence emotions and resolve conflicts.

The story unfolds as Ranka shares the footage with her friend and fellow pilot, Alto Saotome, and the crew of the Macross Frontier fleet. The footage serves as a retrospective on the original Macross series, highlighting key moments such as the battle against the Zentradi, the cultural impact of Lynn Minmay's songs, and the transformative power of music in bridging the gap between humans and alien species. Through these flashbacks, the narrative emphasizes the enduring legacy of the Macross universe, where music and love are central themes in overcoming adversity.

The main characters from "Macross Frontier" interact with the archival material, reflecting on how the lessons from the past resonate with their current struggles. Ranka, in particular, finds inspiration in Minmay's journey, which helps her navigate her own challenges as an idol and a key figure in the ongoing conflict with the Vajra. The film seamlessly weaves together the old and new generations of Macross, creating a cohesive narrative that honors the franchise's history while advancing its themes of unity and cultural exchange. The interplay between the two timelines underscores the cyclical nature of the Macross saga, where music remains a universal force capable of transcending time and space.