Here is a concise summary of the provided transcript:
**Event:** 2018 KBS Song Festival (Grand Finale)
**Key Performances:**
1. Collaborative performance by Yong Junhyung and Kwon Jungyeol (10cm)
2. LOVELYZ, AOA, VIXX, Red Velvet, Wanna One, Apink, GOT7, TWICE, BTS, and EXO
3. Special finale performance by Kim Yeonja
**Notable Moments:**
* Heartwarming surprise video messages from Wanna One members' parents
* Exclusive performances by globally recognized groups (BTS, EXO, GOT7)
* Hosts' interactions with performers, including BTS's new year wishes and gratitude towards each other
**Closing:**
* Hosts thank viewers for watching and loving K-pop
* Announcement of the KBS Song Festival's return next year with improved music and performances.
Here are the key facts extracted from the text, keeping each fact short and numbered, without opinions:
**Event Details**
1. The event is the 2018 KBS Song Festival.
2. The festival has three parts.
3. The event is held at a concert hall and broadcast on TV.
**Performers and Performances**
4. Yong Junhyung and Kwon Jungyeol of 10cm performed a special collaboration.
5. LOVELYZ and AOA performed during the 3rd part.
6. BTS performed a unique stage that they had never done on TV before.
7. VIXX, Red Velvet, and Wanna One also performed.
8. Apink and GOT7 showcased their performances.
9. TWICE, BTS, and EXO performed towards the end of the festival.
10. Kim Yeonja performed the final song of the 2018 KBS Song Festival.
**BTS Specifics**
11. BTS members expressed gratitude to each other.
12. Their new year wish is to be spiritually and physically healthy.
**Wanna One Specifics**
13. Wanna One's performance marked the end of their 1 year and 6 months together.
14. The members received surprise video messages from their parents.
**Closing**
15. The 2018 KBS Song Festival concluded with a promise to return the next year with better music and performances.