59 lines
4.0 KiB
Plaintext
59 lines
4.0 KiB
Plaintext
Bach to Basics
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Copyright (c) 2025 gigliof
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This product includes the following third-party components. Each is subject
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to its own license terms; check the upstream project for the full text.
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────────────────────────────────────────────────────────────────────────────
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Bundled assets
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────────────────────────────────────────────────────────────────────────────
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frontend/public/soundfont/sonivox.sf3
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SONiVOX Embedded Audio Synthesis (EAS) soundfont, originally released
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as part of the Android Open Source Project under the Apache License 2.0.
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Used here as the AlphaTab playback soundfont.
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────────────────────────────────────────────────────────────────────────────
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Frontend dependencies (selected — full list in frontend/package.json)
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────────────────────────────────────────────────────────────────────────────
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AlphaTab — MPL-2.0 (sheet music renderer)
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PixiJS — MIT (WebGL renderer)
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Tone.js — MIT (audio scheduling)
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smplr — MIT (sample-based instruments)
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WebMidi.js — Apache-2.0 (MIDI input)
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React — MIT
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Zustand — MIT
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Vite — MIT
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Tailwind CSS — MIT
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MPL-2.0 note: AlphaTab is consumed unmodified as an npm dependency. MPL-2.0
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is per-file copyleft — if you modify AlphaTab's own source files you must
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share those changes under MPL-2.0, but the rest of this codebase remains
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under MIT.
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────────────────────────────────────────────────────────────────────────────
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Backend dependencies (selected — full list in backend/requirements.txt)
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────────────────────────────────────────────────────────────────────────────
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music21 — LGPL-3.0 (music theory + MusicXML)
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FastAPI — MIT
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defusedxml — PSF-2.0
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pianoplayer — MIT (Parncutt fingering algorithm)
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yt-dlp — Unlicense (YouTube audio extraction)
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pdf2image — MIT
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Basic Pitch (optional) — Apache-2.0 (audio → MIDI transcription)
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LGPL note (music21): used as a pure Python library import, unmodified.
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────────────────────────────────────────────────────────────────────────────
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Optional external tools (NOT bundled — user installs separately)
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────────────────────────────────────────────────────────────────────────────
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Audiveris 5.x — AGPL-3.0 (PDF → MusicXML OMR)
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Audiveris is invoked as a subprocess if the user places audiveris.jar at
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backend/bin/. Because it's distributed separately by the user (and is
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optional), the AGPL obligations apply only to anyone redistributing the
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JAR or hosting Audiveris itself — not to this codebase.
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