DARK BLUE ESTATES — Piano & Nature Original 160-second piano composition, arrangement and mix generated for DARK BLUE ESTATES, 14 September 2026. Rendered from real acoustic piano samples; not a recording by a hired pianist and not an imitation of an existing composition. PIANO Salamander Grand Piano V3 — Alexander Holm. Recorded Yamaha C5 samples. License: Creative Commons Attribution 3.0 Unported (CC BY 3.0). https://creativecommons.org/licenses/by/3.0/ https://sfzinstruments.github.io/pianos/salamander/ Sample distribution: https://github.com/Tonejs/audio/tree/master/salamander Changes: notes repitched, softly filtered, sequenced into an original composition, layered with short reflections and mixed with nature recordings. NATURE Dawn Chorus — National Park Service / Jennifer Jerrett. https://www.nps.gov/yell/learn/photosmultimedia/sounds-dawnchorus.htm Soundscape — Geyser Hill — National Park Service / Peter Comley. https://www.nps.gov/yell/learn/photosmultimedia/sounds-soundscapes.htm The NPS Sound Library identifies these recordings as public domain, available for unrestricted reuse. https://www.nps.gov/yell/learn/photosmultimedia/soundlibrary.htm Changes: excerpts, equalisation, level reduction and crossfades. These are sound-design sources, not recordings of a DBE destination and not an endorsement or partnership.