Boltfish Recordings owners Mint and Cheju present an album from their collaborative project Biotron Shelf. These 10 tracks began life with the artists collaborating in Mint’s London studio. Field recordings made around the East End of London, in particular Victoria Park and Canary Wharf, formed the basis for many of the tracks. The sonic character and mood of these spaces informed the album: contrasting sites of culture and commerce; scenes of urban decay and pockets of pastoral tranquility; a vibrant clash of cultures, both ancient and modern. All these influences found their way into the musical and rhythmic elements of the tracks, which were created from a variety of electronic and acoustic sound sources including analogue and digital synthesizers, acoustic and electric guitars, hardware and software drum machines and samplers, prepared piano and shortwave radio static. The compositions were then bounced back and forth several times between Mint’s studio and Cheju’s Liverpool-based studio, with each artist working into the tracks with further edits, treatments and processes. Tracks like Three Ten to Euston, Kyph, The King’s Horses and Forests of Glass and Steel are classic Biotron Shelf: warm organic electronica works in which soft autumnal analogue synth tones trace melancholic melodies, balanced with intricately crafted clicky beat patterns. Clockwork Pharmacy and Butternut Squash are more upbeat IDM tracks. The former blends heavily edited and processed prepared pian