fm.leadsheet.sheet

leadsheet.fm

Schema Diff

+24 -4

From

CID
bafyreigqjoyjwya...
Indexed At
2026-09-24 23:45 UTC
View this version

To

CID
bafyreicojhfx5dc...
Indexed At
2026-09-25 02:00 UTC
View this version

Compatibility Analysis

Breaking Changes Detected

2 breaking changes, 6 non-breaking changes.

Breaking Changes (2)
  • ConstraintTightened ConstraintTightened { vertex_id: "fm.leadsheet.sheet:body.tuning", sort: "knownValues", old_value: "[\"standard\",\"eb-standard\",\"d-standard\",\"drop-d\",\"drop-c\",\"dadgad\",\"open-d\",\"open-g\",\"open-e\",\"open-c\"]", new_value: "[\"standard\",\"eb-standard\",\"d-standard\",\"drop-d\",\"drop-c\",\"dadgad\",\"open-d\",\"open-g\",\"open-e\",\"open-c\",\"low-g\",\"baritone\",\"five-string\"]" }
  • ConstraintTightened ConstraintTightened { vertex_id: "fm.leadsheet.sheet:body.kind", sort: "knownValues", old_value: "[\"chords\",\"tab\",\"ukulele\",\"bass\"]", new_value: "[\"chords\",\"tab\",\"ukulele\",\"bass\",\"piano\"]" }
Non-Breaking Changes (6)
  • AddedVertex AddedVertex { vertex_id: "fm.leadsheet.sheet:body.draft" }
  • 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.draft", kind: "prop", name: Some("draft") }
  • 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.draft" }
  • AddedVertex { vertex_id: "fm.leadsheet.sheet:body.links" }
  • AddedVertex { vertex_id: "fm.leadsheet.sheet:body.links:items" }

Constraint Changes

  • ConstraintTightened ConstraintTightened { vertex_id: "fm.leadsheet.sheet:body.tuning", sort: "knownValues", old_value: "[\"standard\",\"eb-standard\",\"d-standard\",\"drop-d\",\"drop-c\",\"dadgad\",\"open-d\",\"open-g\",\"open-e\",\"open-c\"]", new_value: "[\"standard\",\"eb-standard\",\"d-standard\",\"drop-d\",\"drop-c\",\"dadgad\",\"open-d\",\"open-g\",\"open-e\",\"open-c\",\"low-g\",\"baritone\",\"five-string\"]" }
  • ConstraintTightened ConstraintTightened { vertex_id: "fm.leadsheet.sheet:body.kind", sort: "knownValues", old_value: "[\"chords\",\"tab\",\"ukulele\",\"bass\"]", new_value: "[\"chords\",\"tab\",\"ukulele\",\"bass\",\"piano\"]" }

Additional Notes

  • Non-breaking: AddedEdge { src: "fm.leadsheet.sheet:body", tgt: "fm.leadsheet.sheet:body.draft", kind: "prop", name: Some("draft") }
  • 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": {
4 4
    "main": {
5 5
      "description": "A chord sheet or tab for a song, written in ChordPro.",
6 6
      "key": "tid",
7 7
      "record": {
8 8
        "properties": {
9 9
          "album": {
10 10
            "maxGraphemes": 200,
11 11
            "maxLength": 1000,
12 12
            "type": "string"
13 13
          },
14 14
          "artist": {
15 15
            "description": "Performing artist, as credited on the recording this sheet follows.",
16 16
            "maxGraphemes": 200,
17 17
            "maxLength": 1000,
18 18
            "type": "string"
19 19
          },
20 20
          "capo": {
21 21
            "maximum": 12,
22 22
            "minimum": 0,
23 23
            "type": "integer"
24 24
          },
25 25
          "content": {
26 26
            "maxGraphemes": 50000,
27 27
            "maxLength": 100000,
28 28
            "type": "string"
29 29
          },
30 30
          "createdAt": {
31 31
            "format": "datetime",
32 32
            "type": "string"
33 33
          },
34 34
          "description": {
35 35
            "description": "Author's notes: strumming pattern, how the intro is played, etc.",
36 36
            "maxGraphemes": 3000,
37 37
            "maxLength": 10000,
38 38
            "type": "string"
39 39
          },
40 40
          "difficulty": {
41 41
            "knownValues": [
42 42
              "beginner",
43 43
              "intermediate",
44 44
              "advanced"
45 45
            ],
46 46
            "maxLength": 32,
47 47
            "type": "string"
48 48
          },
49 +
          "draft": {
50 +
            "default": false,
51 +
            "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.",
52 +
            "type": "boolean"
53 +
          },
49 54
          "forkOf": {
50 55
            "description": "The sheet this one was derived from, as it was when forked.",
51 56
            "ref": "com.atproto.repo.strongRef",
52 57
            "type": "ref"
53 58
          },
54 59
          "format": {
55 60
            "default": "chordpro",
56 61
            "description": "Markup of `content`. ChordPro: inline [C]hords, {directives}, and {start_of_tab} blocks.",
57 62
            "knownValues": [
58 63
              "chordpro"
59 64
            ],
60 65
            "maxLength": 64,
61 66
            "type": "string"
62 67
          },
63 68
          "key": {
64 69
            "description": "Key the sheet is written in, e.g. 'G' or 'F#m'.",
65 70
            "maxLength": 16,
66 71
            "type": "string"
67 72
          },
68 73
          "kind": {
69 74
            "default": "chords",
70 -
            "description": "What the sheet is for: chords over lyrics, guitar tablature, ukulele chords, or bass.",
75 +
            "description": "What the sheet is for: chords over lyrics (guitar), guitar tablature, ukulele chords, bass, or piano.",
71 76
            "knownValues": [
72 77
              "chords",
73 78
              "tab",
74 79
              "ukulele",
75 -
              "bass"
80 +
              "bass",
81 +
              "piano"
76 82
            ],
77 83
            "maxLength": 64,
78 84
            "type": "string"
79 85
          },
86 +
          "links": {
87 +
            "description": "Where to hear the recording this sheet follows: YouTube, Bandcamp, SoundCloud, a streaming service. http(s) URLs.",
88 +
            "items": {
89 +
              "format": "uri",
90 +
              "maxLength": 2000,
91 +
              "type": "string"
92 +
            },
93 +
            "maxLength": 5,
94 +
            "type": "array"
95 +
          },
80 96
          "tags": {
81 97
            "items": {
82 98
              "maxGraphemes": 64,
83 99
              "maxLength": 640,
84 100
              "type": "string"
85 101
            },
86 102
            "maxLength": 10,
87 103
            "type": "array"
88 104
          },
89 105
          "title": {
90 106
            "description": "Song title.",
91 107
            "maxGraphemes": 200,
92 108
            "maxLength": 1000,
93 109
            "type": "string"
94 110
          },
95 111
          "tuning": {
112 +
            "description": "How the instrument (see `kind`) is tuned. Unset or 'standard' is that instrument's standard: EADGBE guitar, GCEA ukulele, EADG bass.",
96 113
            "knownValues": [
97 114
              "standard",
98 115
              "eb-standard",
99 116
              "d-standard",
100 117
              "drop-d",
101 118
              "drop-c",
102 119
              "dadgad",
103 120
              "open-d",
104 121
              "open-g",
105 122
              "open-e",
106 -
              "open-c"
123 +
              "open-c",
124 +
              "low-g",
125 +
              "baritone",
126 +
              "five-string"
107 127
            ],
108 128
            "maxLength": 64,
109 129
            "type": "string"
110 130
          },
111 131
          "updatedAt": {
112 132
            "format": "datetime",
113 133
            "type": "string"
114 134
          },
115 135
          "voicings": {
116 136
            "description": "Chord shapes the author chose, at most one per chord. Readers see these instead of the shapes the app would pick.",
117 137
            "items": {
118 138
              "ref": "#voicing",
119 139
              "type": "ref"
120 140
            },
121 141
            "maxLength": 100,
122 142
            "type": "array"
123 143
          }
124 144
        },
125 145
        "required": [
126 146
          "title",
127 147
          "artist",
128 148
          "content",
129 149
          "createdAt"
130 150
        ],
131 151
        "type": "object"
132 152
      },
133 153
      "type": "record"
134 154
    },
135 155
    "voicing": {
136 156
      "description": "How to play one chord of the sheet.",
137 157
      "properties": {
138 158
        "chord": {
139 159
          "description": "The chord as written in `content`, e.g. 'C' or 'F#m7'.",
140 160
          "maxLength": 64,
141 161
          "type": "string"
142 162
        },
143 163
        "frets": {
144 -
          "description": "Fret for each string, lowest-pitched first, in the sheet's tuning and relative to its capo: -1 = not played, 0 = open.",
164 +
          "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.",
145 165
          "items": {
146 166
            "maximum": 24,
147 167
            "minimum": -1,
148 168
            "type": "integer"
149 169
          },
150 170
          "maxLength": 12,
151 171
          "minLength": 1,
152 172
          "type": "array"
153 173
        }
154 174
      },
155 175
      "required": [
156 176
        "chord",
157 177
        "frets"
158 178
      ],
159 179
      "type": "object"
160 180
    }
161 181
  },
162 182
  "description": "A chord sheet or tab for a song, written in ChordPro.",
163 183
  "id": "fm.leadsheet.sheet",
164 184
  "lexicon": 1
165 185
}

Compare Other Versions

Lexicon Garden

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