Infinite Woohyun sings 'Special Girl' using helium voice!

Woohyun displays special and unique singing skills in the recent episode of MBC Magic Concert. After inhaling the air (helium) from a balloon, he sings 'Special Girl' in a cute and funny voice  which make the guests giggle.

Watch the cut below:

Source: hoikitracy@YT
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T/N: This is not intentional. If you inhale the air from a balloon with helium, your voice will become squeaky. It'll be change into a funny and pitchy one.

Watch sample below: