diff --git a/AGENTS.md b/AGENTS.md
index 8b762cd..5bf3af8 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -37,6 +37,19 @@ $song = ProFileReader::read('path/to/song.pro');
 echo $song->getName();        // Song name
 echo $song->getUuid();        // Song UUID
 
+// CCLI metadata
+echo $song->getCcliAuthor();          // "Joel Houston, Matt Crocker"
+echo $song->getCcliSongTitle();       // "Oceans (Where Feet May Fail)"
+echo $song->getCcliPublisher();       // "2012 Hillsong Music Publishing"
+echo $song->getCcliCopyrightYear();   // 2012
+echo $song->getCcliSongNumber();      // 6428767
+echo $song->getCcliDisplay();         // true
+
+// Other metadata
+echo $song->getCategory();            // ""
+echo $song->getNotes();               // ""
+echo $song->getSelectedArrangementUuid(); // "uuid-string"
+
 // Groups (song parts like Verse 1, Chorus, etc.)
 foreach ($song->getGroups() as $group) {
     echo $group->getName();   // "Verse 1", "Chorus", etc.
@@ -54,15 +67,44 @@ foreach ($song->getArrangements() as $arr) {
     $groups = $song->getGroupsForArrangement($arr);
     // Groups in arrangement order
 }
-```
 
 ### Modifying and Writing
 
 ```php
 $song->setName("New Name");
+$song->setCcliAuthor("Author Name");
+$song->setCcliSongNumber(12345);
+$song->setCategory("Worship");
+$song->setNotes("Use acoustic intro");
 ProFileWriter::write($song, 'output.pro');
 ```
 
+### Generating a New Song
+
+```php
+use ProPresenter\Parser\ProFileGenerator;
+
+$song = ProFileGenerator::generate(
+    'Song Name',
+    [
+        ['name' => 'Verse 1', 'color' => [0.13, 0.59, 0.95, 1.0], 'slides' => [
+            ['text' => 'Line 1'],
+            ['text' => 'Line 2', 'translation' => 'Zeile 2'],
+        ]],
+        ['name' => 'Chorus', 'color' => [0.95, 0.27, 0.27, 1.0], 'slides' => [
+            ['text' => 'Chorus text'],
+        ]],
+    ],
+    [
+        ['name' => 'normal', 'groupNames' => ['Verse 1', 'Chorus', 'Verse 1']],
+    ],
+    ['author' => 'Author', 'song_title' => 'Title', 'copyright_year' => 2024],
+);
+
+// Or generate and write in one call
+ProFileGenerator::generateAndWrite('output.pro', 'Song Name', $groups, $arrangements, $ccli);
+```
+
 ## CLI Tool
 
 Parse and display song structure from the command line:
@@ -77,7 +119,7 @@ For detailed information about the .pro file format, see `spec/pp_song_spec.md`.
 
 ## Key Files
 
-- `php/src/Song.php` — Top-level song wrapper
+- `php/src/Song.php` — Top-level song wrapper (metadata, CCLI, groups, slides, arrangements)
 - `php/src/Group.php` — Group (song part) wrapper
 - `php/src/Slide.php` — Slide wrapper with text access
 - `php/src/TextElement.php` — Text element with label + plain text
@@ -85,5 +127,6 @@ For detailed information about the .pro file format, see `spec/pp_song_spec.md`.
 - `php/src/RtfExtractor.php` — RTF to plain text converter
 - `php/src/ProFileReader.php` — Reads .pro files
 - `php/src/ProFileWriter.php` — Writes .pro files
-- `php/bin/parse-song.php` — CLI tool
+- `php/src/ProFileGenerator.php` — Generates .pro files from scratch
+- `php/bin/parse-song.php` — CLI tool (shows metadata, groups, slides, arrangements)
 - `spec/pp_song_spec.md` — Format specification
diff --git a/spec/pp_song_spec.md b/spec/pp_song_spec.md
index de1573a..3fdb6f5 100644
--- a/spec/pp_song_spec.md
+++ b/spec/pp_song_spec.md
@@ -1,6 +1,6 @@
 # ProPresenter 7 `.pro` File Format Specification
 
-**Version:** 1.0  
+**Version:** 1.1  
 **Target Audience:** AI agents, automated parsers, developers  
 **Proto Source:** greyshirtguy/ProPresenter7-Proto v7.16.2 (MIT License)
 
@@ -94,12 +94,38 @@ Presentation
 
 | Field Path | Protobuf Type | Field Number | Description |
 |------------|---------------|--------------|-------------|
-| `name` | `string` | 1 | Song title (e.g., "Amazing Grace") |
-| `uuid` | `rv.data.UUID` | 5 | Unique identifier for the presentation |
-| `cues[]` | `rv.data.Cue` | 13 | Array of slides |
-| `cue_groups[]` | `rv.data.Presentation.CueGroup` | 12 | Array of groups (song parts) |
+| `application_info` | `rv.data.ApplicationInfo` | 1 | Platform and application version info |
+| `uuid` | `rv.data.UUID` | 2 | Unique identifier for the presentation |
+| `name` | `string` | 3 | Song title (e.g., "Amazing Grace") |
+| `last_date_used` | `rv.data.Timestamp` | 4 | Last date the song was used |
+| `last_modified_date` | `rv.data.Timestamp` | 5 | Last modification date |
+| `category` | `string` | 6 | Optional category label |
+| `notes` | `string` | 7 | Optional notes |
+| `background` | `rv.data.Background` | 8 | Background color/image |
+| `selected_arrangement` | `rv.data.UUID` | 10 | UUID of the currently selected arrangement |
 | `arrangements[]` | `rv.data.Presentation.Arrangement` | 11 | Array of arrangements |
+| `cue_groups[]` | `rv.data.Presentation.CueGroup` | 12 | Array of groups (song parts) |
+| `cues[]` | `rv.data.Cue` | 13 | Array of slides |
+| `ccli` | `rv.data.Presentation.CCLI` | 14 | CCLI licensing metadata |
+| `timeline` | `rv.data.Presentation.Timeline` | 17 | Timeline with duration |
+| `music_key` | `string` | 22 | Music key (rarely used) |
+| `music` | `rv.data.Presentation.Music` | 23 | Music key scale data |
 
+### Presentation.CCLI
+
+CCLI (Christian Copyright Licensing International) metadata. Present in 157 out of 168 reference files.
+
+| Field Path | Protobuf Type | Field Number | Description |
+|------------|---------------|--------------|-------------|
+| `author` | `string` | 1 | Song author(s) (e.g., "Joel Houston, Matt Crocker") |
+| `artist_credits` | `string` | 2 | Artist credits (rarely used) |
+| `song_title` | `string` | 3 | CCLI song title |
+| `publisher` | `string` | 4 | Publisher (e.g., "2012 Hillsong Music Publishing") |
+| `copyright_year` | `uint32` | 5 | Copyright year (e.g., 2012) |
+| `song_number` | `uint32` | 6 | CCLI song number (e.g., 6428767) |
+| `display` | `bool` | 7 | Whether to display CCLI info |
+| `album` | `string` | 8 | Album name (rarely used) |
+| `artwork` | `bytes` | 9 | Album artwork (rarely used) |
 ### Presentation.CueGroup
 
 | Field Path | Protobuf Type | Field Number | Description |
@@ -416,19 +442,28 @@ $song = ProFileReader::read('path/to/song.pro');
 
 ### Access Song Metadata
 ```php
-// Song name
+// Song name and UUID
 $name = $song->getName();  // "Amazing Grace"
-
-// Song UUID
 $uuid = $song->getUuid();  // "A1B2C3D4-..."
 
-// Groups
-$groups = $song->getGroups();  // Group[]
+// CCLI metadata
+$author = $song->getCcliAuthor();          // "Joel Houston, Matt Crocker"
+$title = $song->getCcliSongTitle();        // "Oceans (Where Feet May Fail)"
+$publisher = $song->getCcliPublisher();    // "2012 Hillsong Music Publishing"
+$year = $song->getCcliCopyrightYear();     // 2012
+$number = $song->getCcliSongNumber();      // 6428767
+$display = $song->getCcliDisplay();        // true
+$credits = $song->getCcliArtistCredits();  // ""
+$album = $song->getCcliAlbum();            // ""
 
-// Slides
-$slides = $song->getSlides();  // Slide[]
+// Other metadata
+$category = $song->getCategory();          // ""
+$notes = $song->getNotes();                // ""
+$selectedArr = $song->getSelectedArrangementUuid();  // "uuid-string"
 
-// Arrangements
+// Groups, Slides, Arrangements
+$groups = $song->getGroups();              // Group[]
+$slides = $song->getSlides();              // Slide[]
 $arrangements = $song->getArrangements();  // Arrangement[]
 ```
 
@@ -491,17 +526,23 @@ foreach ($slides as $slide) {
 ```php
 use ProPresenter\Parser\ProFileWriter;
 
-// Modify song
+// Modify song metadata
 $song->setName("New Song Title");
+$song->setCategory("Worship");
+$song->setNotes("Use acoustic intro");
+
+// Modify CCLI metadata
+$song->setCcliAuthor("Author Name");
+$song->setCcliSongTitle("Song Title");
+$song->setCcliPublisher("Publisher");
+$song->setCcliCopyrightYear(2024);
+$song->setCcliSongNumber(12345);
+$song->setCcliDisplay(true);
 
 // Modify group
 $group = $song->getGroupByName("Verse 1");
 $group->setName("Strophe 1");
 
-// Modify arrangement
-$arrangement = $song->getArrangementByName("normal");
-$arrangement->setName("default");
-
 // Write to file
 ProFileWriter::write($song, 'output.pro');
 ```
@@ -559,26 +600,84 @@ $song->getPresentation()->getArrangements()[] = $arrangement->getProto();
 ProFileWriter::write($song, 'output.pro');
 ```
 
+### Generate a New Song
+```php
+use ProPresenter\Parser\ProFileGenerator;
+
+$song = ProFileGenerator::generate(
+    'Amazing Grace',
+    [
+        [
+            'name' => 'Verse 1',
+            'color' => [0.13, 0.59, 0.95, 1.0],
+            'slides' => [
+                ['text' => 'Amazing grace, how sweet the sound'],
+                ['text' => 'That saved a wretch like me'],
+            ],
+        ],
+        [
+            'name' => 'Chorus',
+            'color' => [0.95, 0.27, 0.27, 1.0],
+            'slides' => [
+                ['text' => 'I once was lost, but now am found'],
+            ],
+        ],
+    ],
+    [
+        ['name' => 'normal', 'groupNames' => ['Verse 1', 'Chorus', 'Verse 1']],
+    ],
+    [
+        'author' => 'John Newton',
+        'song_title' => 'Amazing Grace',
+        'copyright_year' => 1779,
+    ],
+);
+
+// Write to file
+ProFileGenerator::generateAndWrite('output.pro', 'Amazing Grace', $groups, $arrangements, $ccli);
+```
+
+### Generate a Song with Translations
+```php
+$song = ProFileGenerator::generate(
+    'Oceans',
+    [
+        [
+            'name' => 'Verse 1',
+            'color' => [0.13, 0.59, 0.95, 1.0],
+            'slides' => [
+                [
+                    'text' => 'You call me out upon the waters',
+                    'translation' => 'Du rufst mich auf das Wasser',
+                ],
+            ],
+        ],
+    ],
+    [
+        ['name' => 'normal', 'groupNames' => ['Verse 1']],
+    ],
+);
+```
+
 ---
 
 ## Appendix: Test.pro Structure
 
 ### Groups (4)
-1. **Verse 1** → 1 slide
+1. **Verse 1** → 2 slides
 2. **Verse 2** → 1 slide
-3. **Chorus** → 2 slides
+3. **Chorus** → 1 slide
 4. **Ending** → 1 slide
 
 ### Slides (5)
-- Slide 1: Verse 1 text (2 text elements: "Orginal", "Deutsch")
-- Slide 2: Verse 2 text (2 text elements)
-- Slide 3: Chorus text part 1 (2 text elements)
-- Slide 4: Chorus text part 2 (2 text elements)
-- Slide 5: Ending text (2 text elements)
+- Slides 1-2: Verse 1 text (2 text elements each: "Orginal", "Deutsch")
+- Slide 3: Verse 2 text (2 text elements)
+- Slide 4: Chorus text (2 text elements)
+- Slide 5: Ending text (2 text elements, with translations)
 
 ### Arrangements (2)
-1. **normal:** Verse 1 → Chorus → Verse 2 → Chorus → Ending
-2. **test2:** Verse 1 → Verse 2 → Chorus
+1. **normal:** Chorus → Verse 1 → Chorus → Verse 2 → Chorus
+2. **test2:** Verse 1 → Chorus → Verse 2 → Chorus
 
 ---
 
@@ -588,6 +687,7 @@ ProFileWriter::write($song, 'output.pro');
 - **Parseable Files:** 168
 - **Empty Files:** 1 (invalid)
 - **Files Without Arrangements:** 17 (valid)
+- **Files With CCLI Data:** 157 out of 168
 - **Binary Fidelity:** 0 files pass round-trip decode→encode (proto definitions incomplete)
 
 ---
@@ -596,11 +696,30 @@ ProFileWriter::write($song, 'output.pro');
 
 | Message | Field | Number |
 |---------|-------|--------|
-| Presentation | name | 1 |
-| Presentation | uuid | 5 |
-| Presentation | cues | 13 |
-| Presentation | cue_groups | 12 |
+| Presentation | application_info | 1 |
+| Presentation | uuid | 2 |
+| Presentation | name | 3 |
+| Presentation | last_date_used | 4 |
+| Presentation | last_modified_date | 5 |
+| Presentation | category | 6 |
+| Presentation | notes | 7 |
+| Presentation | selected_arrangement | 10 |
 | Presentation | arrangements | 11 |
+| Presentation | cue_groups | 12 |
+| Presentation | cues | 13 |
+| Presentation | ccli | 14 |
+| Presentation | timeline | 17 |
+| Presentation | music_key | 22 |
+| Presentation | music | 23 |
+| Presentation.CCLI | author | 1 |
+| Presentation.CCLI | artist_credits | 2 |
+| Presentation.CCLI | song_title | 3 |
+| Presentation.CCLI | publisher | 4 |
+| Presentation.CCLI | copyright_year | 5 |
+| Presentation.CCLI | song_number | 6 |
+| Presentation.CCLI | display | 7 |
+| Presentation.CCLI | album | 8 |
+| Presentation.CCLI | artwork | 9 |
 | CueGroup | group | 1 |
 | CueGroup | cue_identifiers | 2 |
 | Group | uuid | 1 |