"Endless City / Concrete Garden" is the second collaborative album by Plumbline and Roger Eno, released on July 2, 2013, under the Hydrogen Dukebox label. This 48-minute journey through IDM and ambient landscapes is a testament to the duo's shared affinity for abstract precision in music creation. The album features ten original tracks, including standouts like "Geometry," "Ulterior Motives," and "The Artificial Cat," each offering a unique blend of electronic textures and atmospheric soundscapes. The release also includes two remixes of tracks from the album, providing a fresh perspective on the original compositions. Fans of intricate electronic music and ambient soundscapes will find much to appreciate in this thoughtfully crafted collection. The album's packaging includes both an LP record and a CD, making it a valuable addition to any music enthusiast's collection.