fm.leadsheet.sheet

leadsheet.fm

Schema Diff

+10 -0

From

CID
bafyreid7jaqdfev...
Indexed At
2026-09-25 00:14 UTC
View this version

To

CID
bafyreia5xfe674z...
Indexed At
2026-09-25 00:57 UTC
View this version

Compatibility Analysis

Backward Compatible

Backward compatible. 4 non-breaking changes.

Non-Breaking Changes (4)
  • AddedVertex AddedVertex { vertex_id: "fm.leadsheet.sheet:body.links" }
  • AddedVertex AddedVertex { vertex_id: "fm.leadsheet.sheet:body.links:items" }
  • AddedEdge AddedEdge { src: "fm.leadsheet.sheet:body", tgt: "fm.leadsheet.sheet:body.links", kind: "prop", name: Some("links") }
  • AddedEdge AddedEdge { src: "fm.leadsheet.sheet:body.links", tgt: "fm.leadsheet.sheet:body.links:items", kind: "items", name: None }

Migration Guidance

Added Elements

  • AddedVertex { vertex_id: "fm.leadsheet.sheet:body.links" }
  • AddedVertex { vertex_id: "fm.leadsheet.sheet:body.links:items" }

Additional Notes

  • Non-breaking: AddedEdge { src: "fm.leadsheet.sheet:body", tgt: "fm.leadsheet.sheet:body.links", kind: "prop", name: Some("links") }
  • Non-breaking: AddedEdge { src: "fm.leadsheet.sheet:body.links", tgt: "fm.leadsheet.sheet:body.links:items", kind: "items", name: None }
1 1
{
2 2
  "$type": "com.atproto.lexicon.schema",
3 3
  "defs": {
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    "main": {
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      "description": "A chord sheet or tab for a song, written in ChordPro.",
6 6
      "key": "tid",
7 7
      "record": {
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        "properties": {
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          "album": {
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            "maxGraphemes": 200,
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            "maxLength": 1000,
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            "type": "string"
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          },
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          "artist": {
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            "description": "Performing artist, as credited on the recording this sheet follows.",
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            "maxGraphemes": 200,
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            "maxLength": 1000,
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            "type": "string"
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          },
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          "capo": {
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            "maximum": 12,
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            "minimum": 0,
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            "type": "integer"
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          },
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          "content": {
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            "maxGraphemes": 50000,
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            "maxLength": 100000,
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            "type": "string"
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          },
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          "createdAt": {
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            "format": "datetime",
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            "type": "string"
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          },
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          "description": {
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            "description": "Author's notes: strumming pattern, how the intro is played, etc.",
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            "maxGraphemes": 3000,
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            "maxLength": 10000,
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            "type": "string"
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          },
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          "difficulty": {
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            "knownValues": [
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              "beginner",
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              "intermediate",
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              "advanced"
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            ],
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            "maxLength": 32,
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            "type": "string"
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          },
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          "draft": {
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            "default": false,
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            "description": "Not published yet: apps list and search only published sheets, and show a draft only to its author. Like any record, a draft is still publicly readable from the author's repo.",
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            "type": "boolean"
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          },
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          "forkOf": {
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            "description": "The sheet this one was derived from, as it was when forked.",
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            "ref": "com.atproto.repo.strongRef",
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            "type": "ref"
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          },
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          "format": {
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            "default": "chordpro",
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            "description": "Markup of `content`. ChordPro: inline [C]hords, {directives}, and {start_of_tab} blocks.",
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            "knownValues": [
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              "chordpro"
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            ],
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            "maxLength": 64,
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            "type": "string"
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          },
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          "key": {
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            "description": "Key the sheet is written in, e.g. 'G' or 'F#m'.",
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            "maxLength": 16,
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            "type": "string"
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          },
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          "kind": {
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            "default": "chords",
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            "description": "What the sheet is for: chords over lyrics, guitar tablature, ukulele chords, or bass.",
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            "knownValues": [
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              "chords",
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              "tab",
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              "ukulele",
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              "bass"
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            ],
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            "maxLength": 64,
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            "type": "string"
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          },
85 +
          "links": {
86 +
            "description": "Where to hear the recording this sheet follows: YouTube, Bandcamp, SoundCloud, a streaming service. http(s) URLs.",
87 +
            "items": {
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              "format": "uri",
89 +
              "maxLength": 2000,
90 +
              "type": "string"
91 +
            },
92 +
            "maxLength": 5,
93 +
            "type": "array"
94 +
          },
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          "tags": {
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            "items": {
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              "maxGraphemes": 64,
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              "maxLength": 640,
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              "type": "string"
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            },
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            "maxLength": 10,
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            "type": "array"
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          },
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          "title": {
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            "description": "Song title.",
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            "maxGraphemes": 200,
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            "maxLength": 1000,
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            "type": "string"
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          },
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          "tuning": {
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            "description": "How the instrument (see `kind`) is tuned. Unset or 'standard' is that instrument's standard: EADGBE guitar, GCEA ukulele, EADG bass.",
102 112
            "knownValues": [
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              "standard",
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              "eb-standard",
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              "d-standard",
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              "drop-d",
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              "drop-c",
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              "dadgad",
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              "open-d",
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              "open-g",
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              "open-e",
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              "open-c",
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              "low-g",
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              "baritone",
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              "five-string"
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            ],
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            "maxLength": 64,
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            "type": "string"
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          },
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          "updatedAt": {
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            "format": "datetime",
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            "type": "string"
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          },
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          "voicings": {
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            "description": "Chord shapes the author chose, at most one per chord. Readers see these instead of the shapes the app would pick.",
126 136
            "items": {
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              "ref": "#voicing",
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              "type": "ref"
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            },
130 140
            "maxLength": 100,
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            "type": "array"
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          }
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        },
134 144
        "required": [
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          "title",
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          "artist",
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          "content",
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          "createdAt"
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        ],
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        "type": "object"
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      },
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      "type": "record"
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    },
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    "voicing": {
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      "description": "How to play one chord of the sheet.",
146 156
      "properties": {
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        "chord": {
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          "description": "The chord as written in `content`, e.g. 'C' or 'F#m7'.",
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          "maxLength": 64,
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          "type": "string"
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        },
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        "frets": {
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          "description": "Fret for each string, in chart order (low E side first on guitar and bass, G first on ukulele), in the sheet's tuning and relative to its capo: -1 = not played, 0 = open.",
154 164
          "items": {
155 165
            "maximum": 24,
156 166
            "minimum": -1,
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            "type": "integer"
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          },
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          "maxLength": 12,
160 170
          "minLength": 1,
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          "type": "array"
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        }
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      },
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      "required": [
165 175
        "chord",
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        "frets"
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      ],
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      "type": "object"
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    }
170 180
  },
171 181
  "description": "A chord sheet or tab for a song, written in ChordPro.",
172 182
  "id": "fm.leadsheet.sheet",
173 183
  "lexicon": 1
174 184
}

Compare Other Versions

Lexicon Garden

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