The Last 32 Seconds of the Video Aren't in the Song

Lim Young-woong's 'IM HERO 10' came out at 6pm on the 8th of this month. Ten songs.

What I want to look at here isn't the album as a whole, but the last 32 seconds of the video for 'ToTo'.

3:08 and 3:40

Let's fix the lengths first. The audio track 'ToTo' is 3 minutes 08 seconds (188,000ms); the music video is 3 minutes 40 seconds (220 seconds).

A 32-second difference. What sits in those 32 seconds is what this piece is about.

For reference, 'ToTo' is not track one but track three. The order runs 1 Moise / 2 Baila / 3 ToTo / 4 Please Be Happy / 5 Miwoyo RE / 6 Grain of Sand RE / 7 Love Always Runs Away RE / 8 A Bientot RE / 9 For Us / 10 New York. The four marked 'RE' are the remakes.

The Song Ends at 3:07

I measured the entire video audio in 0.25-second windows.

The first sound crosses −60dB at 1.75 seconds and passes −20dB at 2.50. The intro from 0 to 15 seconds is a midrange monopoly — in the window at 3.75 seconds, 500~3000Hz takes 97.0% while 20~150Hz reads 0.0%.

Kick and bass arrive all at once at 15.25 seconds. From 0.3% low end and −13.2dB in the window just before at 14.75, to 81.7% low end and −7.3dB at 15.25. In half a second the low end jumps from effectively zero to four fifths.

After that, 90% of the 660 windows between 22 seconds and 3:07 fall between −13 and −6dB (5th percentile −14.4dB, 95th −6.4dB, a 7.9dB spread). Nearly three minutes pressed inside 8dB. The sample peak reads +3.3dB, over zero, so there is inter-sample clipping.

Autocorrelating the kick gives a period of 0.630 seconds, about 95 BPM. Fold the phase and the low-end energy gathers in the back half of the cycle (0.62~1.00) while falling to 0.27 in the front (0.25~0.44). A clear rest opens at the front of the beat. That placement is why the trot rhythm settles into the body.

The top end stays thin throughout — 6000~11000Hz averages 1.0~2.4% across the body.

And from 3:07 it shuts off sharply. By 3:08 it reads −49.4dB.

5.5 Seconds of Complete Silence

From 3:10.25 to 3:15.75, there are 5.50 seconds of complete digital silence at −89dB.

It isn't a fade tail. The values are zero. The video keeps running while the sound is gone entirely.

And Then Two Notes Come In

At 3:16 an entirely different sound is attached.

The stretch from 3:16 to 3:35 has a median of −27.4dB — 18.7dB quieter than the body — with 92% of its energy below 400Hz. By band, 150~400Hz takes 64.0%, 60~150Hz 28.0%, 500~3000Hz just 2.1%, and above 6000Hz 0.0%.

There are only two dominant frequencies: 116.5Hz and 155.4Hz. In note terms, B♭2 and E♭3. Not speech and not singing — a two-note low-end motif that sounds like it's coming from behind a wall.

Then at 3:36 it ends in complete silence.

Those 32 seconds are not in the audio release. Apple Music lists the 'ToTo' track at 188,000ms, and the measured end of the song body is exactly 188 seconds. The numbers line up precisely.

Which means anyone who only heard the audio has never heard this stretch. Nor has anyone who stopped the video at 3:07.

Why This Is Interesting

For three minutes the song stays pressed inside 8dB. The top end sits at 1~2%. And after a master like that, they attached 5.5 seconds of silence and two notes at −27dB.

The band the body used most (500~3000Hz) drops to 2.1% here, while 150~400Hz — barely used in the body — takes 64%. Within the same video, the band composition flips completely.

That doesn't happen by accident. It's a device placed to make you watch to the end, and it works — we only found it after measuring.

Leave It Running to the End

On earphones, just the 35 seconds from 3:05 to 3:40. It's worth hearing the order once as it is: the song ends, 5.5 seconds empty, two notes come in.

Small speakers barely produce 116.5Hz and 155.4Hz. On those, the last twenty seconds sound like silence.

The album holds six new songs (Moise, Baila, ToTo, Please Be Happy, For Us, New York) and four remakes. The 'Moise' music video went up separately at 8am on 15 September. As for the '10' in the title, it uses a baseline that counts the 2016 single 'Miwoyo' as the debut — a different baseline from the 2020 'Mr. Trot' run most people know, so I'm noting both.