Johannes Brahms — Hungarian Dance No. 5 in G minor.
Public-domain composition. Source MusicXML from Musetrainer public-domain library:
https://github.com/musetrainer/library/blob/master/scores/Hungarian_Dance_No_5_in_G_Minor.mxl
Original encoding source: http://musescore.com/user/191208/scores/4776321

Fretroom guitar practice arrangement: top melody of piano voice 1, sounding one
octave lower; simplified bass in standard tuning, inner piano voices omitted.
102 source measures; written repeats expanded to 142 performed measures.
Ties retained, two grace notes omitted. Fixed 130 BPM; original tempo directions
and rubato are not reproduced. Hammer-ons/pull-offs follow suitable slurred notes.
Generated reproducibly by scripts/arrange-hungarian.py. 715 guitar events.

MOZART — Turkish March (Rondo alla Turca), K.331, movement III
Public-domain composition; MusicXML from Musetrainer public-domain library:
https://github.com/musetrainer/library/blob/master/scores/Piano_Sonata_No._11_K._331_3rd_Movement_Rondo_alla_Turca.mxl
Encoding source: http://musescore.com/classicman/scores/49143
Guitar reduction: top piano voice sounds one octave lower; simplified bass,
written repeats expanded, first/second endings respected, pickup measures retained.
Grace ornaments/inner voices omitted, fixed 120 BPM. 241 performed measures.

PAGANINI — Caprice No. 24, Op.1, theme and 10 variations
Composition public domain. Transcription by Samuel Rummel, Mutopia Project, 2015.
Source: https://www.mutopiaproject.org/ftp/PaganiniN/O1/Caprice_24/
License: Creative Commons Attribution-ShareAlike 4.0 International
https://creativecommons.org/licenses/by-sa/4.0/
Bundled original files: paganini-caprice-24.ly and paganini-caprice-24.mid.
Fretroom modifications: retain highest simultaneous MIDI note, shift down one
octave and fold extremes into guitar range, generate fingering and inferred
legato, fixed 150 BPM. Preserve MIDI rhythmic articulation and meter changes.
Source MIDI omits variation V; this is not advertised as all eleven variations.
The derived src/paganini.json arrangement is also licensed CC BY-SA 4.0.
Exports of this arrangement should retain this credit and share-alike license.

Rebuild both arrangements: python3 scripts/arrange-classics.py

REFERENCE PERFORMANCE DRAFT
Turkish March - W.A. Mozart (Cover + TAB), Guillaume Vrac.
Source: https://www.youtube.com/watch?v=EPCeI9GMZic
Automatic lead estimate from first 203.5 seconds, 130 BPM.
Fingering and legato inferred; chords incomplete. Not an authoritative score.
Original recording is not covered by the sample library's CC0 license.

REFERENCE PERFORMANCE DRAFT
Hungarian Dance No. 5 - Johannes Brahms Cover + TAB, Guillaume Vrac.
Source: https://www.youtube.com/watch?v=RBQIHRcmia0
Creator's published score: https://guillaumevrac.gumroad.com/l/noiaeg
Automatic lead estimate from 112.721 seconds, 145 BPM.
Fingering, legato and practice bar grid inferred; chords incomplete.
Not an authoritative score. Original recording is not covered by the sample
library's CC0 license.

GUITAR-ONLY PRACTICE STEMS
The guitar-only files were generated locally from the two reference recordings
with Demucs htdemucs_6s. They are derived practice assets, may contain separation
artifacts or backing bleed, and do not gain a new redistribution license.
Demucs project: https://github.com/facebookresearch/demucs