Released on the 2010 Signature Box compilation, 'One Day (At A Time)' stands as a poignant addition to John Lennon's discography, reflecting his enduring commitment to peace and social consciousness. The track exemplifies the melodic sensibilities and lyrical depth characteristic of Lennon's solo work, blending acoustic textures with his signature vocal delivery. While often associated with his broader catalog of anti-war statements, this recording captures a specific moment in his artistic evolution, reinforcing themes of hope and collective action. As part of a curated collection of his later material, the song serves as a reminder of his continued engagement with global issues through music, maintaining the emotional resonance found in his most celebrated recordings.