"Song for Luke" is an original ballad by Jun Iida from his 2023 album Evergreen, performed in C minor over a 32-bar AABA form at a tender 54 BPM. The dedicatory title suggests a deeply personal composition, and the slow ballad tempo creates space for emotional depth and melodic expression. The recording features two solos that share the AABA structure: bassist Jonathan Richards takes the first half chorus on acoustic bass, his arco and pizzicato playing navigating the ballad's harmonic terrain with lyrical sensitivity and a full, resonant tone. Iida follows with his own half-chorus flugelhorn solo, the instrument's dark, velvety timbre perfectly complementing the composition's intimate mood. At this unhurried pace, each phrase carries significant weight, and both soloists demonstrate the kind of restraint and melodic invention that ballad performance demands. The AABA form, a cornerstone of the jazz ballad tradition, provides a familiar structural framework that allows the improvisers to focus on storytelling and emotional communication rather than formal navigation. The piece showcases a different facet of Iida's artistry compared to the album's more up-tempo tracks, revealing his ability to compose and perform with tenderness and economy. Within the arc of Evergreen, "Song for Luke" offers a moment of quiet beauty that deepens the album's emotional range.