spec_version: draft-v0
id: invalid-sequence-unknown
genre: tropaar
tone: 3
do: G4
mode: major
sequence:
  - "1"
  - "99"
phrases:
  - id: "1"
    events:
      - role: recite
        duration: "~"
        pitches: { S: do, A: sol-1, T: mi-1, B: do-1 }