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Fret 5, string 3, dotted half note\n```\n\n**Strings:** 1 = thinnest (highest pitch), 6 = thickest (lowest pitch).\n\n### Duration Letters\n\n| Letter | Duration | Beats (in 4/4) |\n| --- | --- | --- |\n| `s` | 1/16 note | 1/4 beat |\n| `e` | 1/8 note | 1/2 beat |\n| `q` | 1/4 note | 1 beat |\n| `h` | 1/2 note | 2 beats |\n| `w` | whole note | 4 beats |\n\nAdd `.` for dotted notes (e.g., `h.` = dotted half = 3 beats).\n\n### Compact Notation\n\nShorter form: **fret** + `f` + **string** + `s` + **duration**\n\n```\n3f1sq Same as 3:1@q\n0f6sw Same as 0:6@w\n```\n\n---\n\n## Open Strings and Muted Strings\n\n| Symbol | Meaning |\n| --- | --- |\n| `O` or `0` | Open string |\n| `X` or `x` | Muted / dead string |\n\n---\n\n## Rests\n\nUse `-` for silence: `-@q` (quarter rest), `-@h` (half rest), etc.\nYou can also write `-q`, `-h` (without the `@`).\n\n---\n\n## Chords\n\nWrap simultaneous notes in square brackets:\n\n```\n[0:6 | 2:5 | 2:4 | 1:3 | 0:2 | 0:1]@q G major chord, quarter note\n[3:1 | 5:2]@h Two-note chord, half note\n[0f6s | 2f5s | 2f4s]@q Compact form inside chords\n[0:6 | 2:5]w Trailing duration (no @ needed)\n```\n\n---\n\n## Two Voices (Polyphony)\n\nFor melody + bass playing simultaneously, use `v1` (upper/melody) and `v2` (lower/bass). Each voice fills the bar independently.\n\n```\nM1: 3f3sqv1 | 3f3sqv1 | 4f3sqv1 | 5f3sqv1\nM1: 0f6hwv2 | 0f6hwv2\n```\n\n---\n\n## Ties\n\nAdd `t` after duration to hold a note into the next beat without re-plucking:\n\n```\n3:2@ht Half note, tied\n[0:6 | 2:5]@wt Whole chord, tied\n```\n\n---\n\n## Annotations\n\nAdd `d:text` for notes to the readers (doesn't affect sound):\n\n```\n3:1@qd:Melody_starts_here\n[0:6 | 2:5]@qd:C_major_chord\n```\n\nThe parser stops at spaces, so use `_` as a stand-in:\n```\n3:1@qd:slide_to_fret_7\n```\nrenders as \"slide to fret 7\"\n\n---\n\n## Measure Numbers\n\n- **Explicit:** `Measure 1: ...` or `M 1: ...` or `M1: ...`\n- **Implicit:** Just write a line of notes \u2014 the system counts them in order.\n\n---\n\n## Quick Reference\n\n| What You Write | What It Means |\n| --- | --- |\n| `3:1@q` | Fret 3, string 1, quarter note |\n| `3f1sq` | Same thing, compact form |\n| `-@q` | Quarter rest |\n| `[0:6 \\| 2:5]@q` | Two-note chord, quarter note |\n| `t` (after duration) | Tie \u2014 hold through next beat |\n| `v1`, `v2` | Voice 1 (melody) or Voice 2 (bass) |\n| `d:text` | Annotation (doesn't affect sound) |\n| `O:3@q` | Open string 3 |\n| `X:6@h` | Muted string 6 |\n| `M1:` or `Measure 1:` | Measure number label |\n\n---\n\n## Tips\n\n- Each measure must total exactly one bar (e.g., 4 beats in 4/4).\n- Use `v1`/`v2` when two independent lines happen at the same time.\n- Inside chords `[...]`, separate notes with ` | `. 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