/?song=swing-low&ref=song-page

{
    "song": {
        "slug": "swing-low",
        "title": "Swing Low, Sweet Chariot",
        "description": "The spiritual, for 2 to 4 singers: the chorus, the first verse and the chorus again. The soprano sings the melody, the alto and tenor sing the words beneath it, and the bass holds the roots on \"oo\". Warm and unhurried.",
        "difficulty": "beginner",
        "genre": [
            "spiritual",
            "gospel"
        ],
        "parts": [
            {
                "key": "soprano",
                "name": "Soprano",
                "low": "D4",
                "high": "E5"
            },
            {
                "key": "alto",
                "name": "Alto",
                "low": "B3",
                "high": "G4"
            },
            {
                "key": "tenor",
                "name": "Tenor",
                "low": "G3",
                "high": "C4"
            },
            {
                "key": "bass",
                "name": "Bass",
                "low": "G2",
                "high": "E3"
            }
        ],
        "previewUrl": null,
        "previewType": "audio/mp4",
        "words": [
            "Swing low, sweet chariot,",
            "Coming for to carry me home.",
            "Swing low, sweet chariot,",
            "Coming for to carry me home."
        ],
        "credits": [
            "Words: traditional spiritual, attributed to Wallace Willis (published 1872)",
            "Tune: traditional spiritual (published 1872)"
        ],
        "plus": true,
        "freeThisMonth": false,
        "pageUrl": "https://beta.stackapella.com/songs/swing-low",
        "startUrl": "/?song=swing-low&ref=song-page"
    }
}