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| Source | Type of Content | Quality | Legal Status | Best For | |--------|----------------|---------|--------------|-----------| | | User-uploaded scores | Medium to High | Mostly legal (user licenses) | Modern arrangements, popular corridos | | Free-Scores.com | Public domain & user-uploaded | Medium | Generally legal | Traditional pasodobles, marches | | IMSLP (Petrucci Library) | Public domain classical & marches | High | Fully legal | Early 20th-century Mexican marches | | YouTube Channels (e.g., “Partituras Banda”) | Visual scores (play-along) | Low to Medium | Questionable | Learning by ear and sight | | Facebook Groups (e.g., “Músicos de Banda”) | PDF sharing | Variable | Often unofficial | Rare or regional pieces |

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Las partituras para banda sinaloense son fundamentales para la interpretación y preservación de este género musical. Estas partituras contienen la notación musical de las melodías y armonías que componen la música de la banda sinaloense. Sin embargo, debido a la naturaleza efímera de la música oral, muchas de estas partituras se han perdido o no se han documentado adecuadamente.