composers.json

[
    {
        "name": "Sergei Rachmaninoff",
        "works": [
            {
                "musical-ensemble": ["Piano", "Orchestra"],
                "musical-form": "Piano Concerto",
                "name": "Piano Concerto No. 1 in F-sharp minor, Op. 1",
                "musical-form-series": 1,
                "opus": 1,
                "main-note": "F-sharp minor",
                "movements": [
                    {
                        "tempo": "Vivace",
                        "note": "F-sharp minor"
                    },
                    {
                        "tempo": "Andante cantabile",
                        "note": "D major"
                    },
                    {
                        "tempo": "Allegro scherzando",
                        "note": ["F-sharp minor","F-sharp major"]
                    }
                ]
            },
            {
                "musical-ensemble": ["Piano", "Orchestra"],
                "musical-form": "Piano Concerto",
                "name": "Piano Concerto No. 2 in C minor, Op. 18",
                "musical-form-series": 2,
                "opus": 18,
                "main-note": "C minor",
                "movements": [
                    {
                        "tempo": "Moderato",
                        "note": "C minor"
                    },
                    {
                        "tempo": ["Adagio sostenuto", "Più animato", "Tempo I"],
                        "note": ["C minor", "E major"]
                    },
                    {
                        "tempo": "Allegro scherzando",
                        "note": ["E major", "C minor", "C major"]
                    }
                ]
            },
            {
                "musical-ensemble": ["Piano", "Orchestra"],
                "musical-form": "Piano Concerto",
                "name": "Piano Concerto No. 3 in D minor, Op. 30",
                "musical-form-series": 3,
                "opus": 30,
                "main-note": "D minor",
                "movements": [
                    {
                        "tempo": "Allegro ma non tanto",
                        "note": "D minor"
                    },
                    {
                        "tempo": "Adagio",
                        "note": ["D minor", "F-sharp minor/D-flat major"]
                    },
                    {
                        "tempo": "Alla breve",
                        "note": ["D minor","D major"]
                    }
                ]
            },
            {
                "musical-ensemble": ["Piano", "Orchestra"],
                "musical-form": "Piano Concerto",
                "name": "Piano Concerto No. 4 in G minor, Op. 40",
                "musical-form-series": 4,
                "opus": 40,
                "main-note": "G minor",
                "movements": [
                    {
                        "tempo": "Allegro vivace",
                        "note": "G minor"
                    },
                    {
                        "tempo": "Largo ",
                        "note": "C major"
                    },
                    {
                        "tempo": "Allegro vivace",
                        "note": ["G minor","D-Flat Major","G major"]
                    }
                ]
            }
        ]
    }
]