Four Hands, Two Sonatas

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

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…

September 21, 2026
3 min read

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.

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
On-Set MomentDescription
Mock boxingThe pair play-fight, dodging and laughing
Slap Hands gameA lighthearted competitive moment between takes
Chasing each otherAdds to the playful, high-energy atmosphere
Camera curiosityLee Jun Young jokingly takes on the “cameraman” role
Leveling tool bitSong 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.


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