The first CD of Philipp Gerschlauer (as) and Gebhard Ullmann (ts) entitled 'Twelve + 1 Murals' will be released in april, 2024 on Between The Lines.
It was recorded and mixed in 2021 and 2022 at Bluenoize Studio and Control Room Berlin.
In july 2023 Gerschlauer and Ullmann recorded at the Dome inside the Teufelsberg field station using the holo-quadrophonic technique by the engineer Titus Nessel.
With a series of audio recordings and videos, this project is worldwide unique and will become available live in 2025.