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 and Lee Jun Young are having together on set.
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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:

| 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.
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.





