# Behind the Scenes: Song Kang and Lee Jun Young’s Playful Chemistry on “Four Hands, Two Sonatas” Set

URL: https://technosports.co.in/behind-the-scenes-song-kang-and-lee-jun-youngs-playful/  
Published: 2026-09-21  
Updated: 2026-09-21  
Author: Reetam Bodhak

Sometimes the best proof of great on-screen chemistry comes from watching what happens between takes. The newly released making-of video for tvN’s “Four Hands, Two Sonatas,” covering episodes 7 and 8, gives fans exactly that — a candid look at just how much fun [Song Kang](https://en.wikipedia.org/wiki/Song_Kang) and Lee Jun Young are having together on set.

## Four Hands, Two Sonatas: **A Case of Mistaken Identity**

The video kicks off with a lighthearted mix-up: the director accidentally mistakes Lee Jun Young for Song Kang, joking that the two look identical from behind. Lee Jun Young plays along good-naturedly, poking fun at being repeatedly confused for his co-star throughout the shoot.

## **Playful Moments On Set**

Before filming gets serious, the two actors are shown goofing around — throwing playful mock punches at each other, dodging with exaggerated flair, and bursting into laughter. Their antics don’t stop there:

![Four Hands, Two Sonatas](https://technosports.co.in/wp-content/uploads/2026/09/Four-Hands-2-1024x683.jpeg)

| On-Set Moment | Description |
| --- | --- |
| Mock boxing | The pair play-fight, dodging and laughing |
| Slap Hands game | A lighthearted competitive moment between takes |
| Chasing each other | Adds to the playful, high-energy atmosphere |
| Camera curiosity | Lee Jun Young jokingly takes on the “cameraman” role |
| Leveling tool bit | Song Kang gets Lee Jun Young to check his shoulder alignment, sparking more laughs |

Despite all the joking around, the set quickly shifts into focused, professional mode once filming begins — a contrast that highlights the duo’s ability to balance camaraderie with serious craft.

## **Why Behind-the-Scenes Content Like This Matters**?

For a drama that’s currently riding record-high ratings and topping buzzworthy rankings, glimpses like this humanize the leads and deepen fan investment. Watching Song Kang and Lee Jun Young’s easy rapport off-camera helps explain why their on-screen partnership feels so natural — genuine friendship often translates directly into believable chemistry on screen.

With “Four Hands, Two Sonatas” heading into its final stretch, content like this making-of video only adds to the anticipation surrounding how the story wraps up.

For more K-drama behind-the-scenes content and cast updates, check out our entertainment coverage on [technosports.co.in](https://technosports.co.in).

## **FAQs**

### **Q1. What does the new making-of video show?**

  
It features behind-the-scenes footage of Song Kang and Lee Jun Young joking around and bonding on set during filming of episodes 7 and 8.

### **Q2. Why were the two actors mistaken for each other?**

The director jokingly noted that Song Kang and Lee Jun Young look alike from behind, leading to a running joke throughout the shoot.