Here is a concise summary of the provided transcript:
**Event:** BTS's rehearsal and performance at New York's Times Square for the New Year's Rockin' Eve (NYRE) event, marking the end of 2019 and the start of 2020.
**Key Points:**
1. **Rehearsal**: BTS practices their choreography for "Make It Right" and "Boy With Luv" on a staircase set, discussing minor adjustments and camera interactions.
2. **Pre-Performance**: Members express excitement, noting it's been almost two years since their last outdoor performance. They also marvel at their own advertisements on Times Square billboards.
3. **Performance**: BTS performs "Make It Right" and "Boy With Luv", with a notable moment where Jimin's jacket gets stuck on his head during the latter song.
4. **Post-Performance**: Members reflect on the fun, cold, and memorable experience, highlighting Jimin's mishap as a comedic highlight.
5. **2020 Countdown**: BTS participates in the Times Square New Year's countdown, expressing awe at the energy and declaring it a memorable moment, with hopes to return next year.
Here are the extracted key facts in short sentences, numbered for reference:
**Performance Details**
1. BTS practiced for their New Year's Rockin' Eve (NYRE) performance.
2. The songs performed were "Make It Right" and "Boy With Luv".
3. The choreography for "Make It Right" was revealed for the first time during the NYRE performance.
**Rehearsal and Preparation**
4. The group rehearsed on stairs, as the performance would involve stairs.
5. They were instructed to look at the camera even if it's not directly in front of them.
6. The members checked the choreography before the rehearsal.
**Performance Experience**
7. It had been almost two years since BTS performed outdoors for a year-end stage.
8. The performance was in cold weather, with temperatures mentioned as being around 6 degrees.
9. The stage was in Time Square, with a large crowd in attendance.
**Post-Performance and Countdown**
10. After the performance, BTS monitored their show.
11. They participated in the countdown to welcome the year 2020 in Time Square.
12. The members expressed their desire to return for the next year's event.
**Miscellaneous**
13. A fan-made birthday ad for V was displayed, which the members noticed.
14. Jimin's jacket got stuck on his head during the "Boy With Luv" performance, causing laughter.
15. The event marked the end of 2019 and the beginning of 2020 for BTS.