Released on the 2008 album Room To Roam, "How long will I love you" features the Waterboys blending their signature folk-rock sensibilities with a more mature, reflective tone. The track serves as a poignant exploration of enduring affection and the complexities of long-term commitment, characteristic of the band's later work. It complements other notable recordings from this era, such as "Further up, further in," while maintaining the group's distinct vocal harmonies and acoustic instrumentation. The song reflects a shift in the band's sound, moving away from their earlier punk-influenced energy toward a softer, more introspective style that resonates with listeners seeking emotional depth in their music.