Here is a concise summary of the provided transcript:
**Title:** 400,000 Subscriber Special Firework Display
**Summary:**
* Host Cody B celebrates reaching 400,000 subscribers with an epic firework display.
* The setup features 4,000 salute shells, a massive display with various cakes, barrage style candles, and 300 canister shells.
* The host provides a walkthrough of the firework layout before the display.
* The show unexpectedly starts prematurely due to a spark breaching the tin foil protection, but the accidental timing creates a unique and impressive display.
* The video concludes with the host thanking subscribers and dealing with a small fire that started during the show.
Here are the key facts extracted from the text, each with a number and in short sentences:
1. **Event**: A 400,000 subscriber special video is being recorded.
2. **Location**: The event is taking place in North Dakota, at a fairground's derby track.
3. **Population Comparison**: The number of subscribers (400,000) is half the population of North Dakota (approximately 800,000).
4. **Firework Setup**: 4,000 salute shells are fused up, with additional fireworks on a trailer.
5. **Safety Measure**: A fail-safe fuse system is implemented to prevent premature ignition.
6. **Firework Types**:
* 25-shot cakes
* Salute shells
* Canister shells (mostly crackling shells and willows)
* Various cakes from different manufacturers (e.g., Sky Painter, Cutting Edge, Superior Fireworks)
7. **Firing System**: Utilizes Cobra firing systems (3x 18ms and 1x 72m).
8. **Segments**:
* Opener with "Diamonds" by Sky Painter
* "American Heartland" with tripled-up cakes by Cutting Edge
* Multiple segments featuring different firework effects (e.g., brocade crown, crackling flowers)
9. **Special Segment**: 8,000 shots worth of barrage-style candles with crackling shells.
10. **Premature Ignition**: Part of the display ignited unexpectedly due to an object penetrating the tin foil covering.
11. **Outcome**: Despite the mishap, the display was deemed successful and visually impressive.