'Lifelines' was released as the title track of a-ha's fifth studio album in 2002, marking a significant return for the band after a period of relative quiet following their 1993 album 'Memorial Beach'. The song is characterized by its lush synth-pop sound, which harks back to the band’s iconic 1980s style while also incorporating more contemporary production techniques. 'Lifelines' was notable for its orchestral arrangements and the prominent use of keyboards, a hallmark of a-ha's music. The album itself was well received in several countries, further solidifying a-ha's legacy as pioneers of the synth-pop genre, and 'Lifelines' served as a testament to their ability to evolve while maintaining their signature sound.
Lyrically, 'Lifelines' delves into themes of connection and the human experience, often reflecting on the fragility of relationships and the importance of emotional support. The lyrics convey a sense of longing and vulnerability, with lines such as "You can reach me, I’ll be waiting," suggesting a desire for intimacy and understanding. The recurring motif of 'lifelines' serves as a metaphor for the emotional threads that link individuals, emphasizing the necessity of support during difficult times. This theme resonates with listeners, as it captures both the joys and struggles inherent in personal relationships, making it relatable on multiple levels.