Going to Karaoke is usually a social experience with friends and singing for a crowd of strangers, but the Solo Karaoke Rooms completely change this concept.
Now there is store in Japan, specializing in one-person Karaoke booths. The rooms have a chair, a microphone, headphones and a small screen to show the lyrics to the singers. The area is sound-proof, so your voice won't carry, and if you are wondering who would Karaoke alone, the targeted audience is people who want to practice their vocal cords before going to the big party and rocking it. I would also add to this list people who are tired of singing in the shower and are looking for another avenue where they can sing without embarrassing themselves.
Singular Singer Booths
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20 Humiliating Innovations
17 Karaoke Creations
32 Innovations for Mediocre Singers
Portable Karaoke Machines