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There are some lyrics in the song VOICE by Perfume that go:

> 点と点を繋げてこ  
>  everythingを合わせてこ

I've no idea how こ functions here as I don't think I've encountered it before
like this. The group are from [広島]{ひろしま} if that helps, though I couldn't find
anything about it on the wiki for 広島弁. It's probably something really simple.
CC BY-SA 3.0
2013-12-29T00:02:49.563
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2013-12-29T00:23:33.033
4404
question
て-form
In「～てこ」, what does the こ do?
It has nothing to do with Hiroshima dialect.

～～てこ ＝ ～～ていこう (volitional form of ～～ていく)

てこ is just a colloquial pronunciation.

～～てこ = "Let's go ~~ing!" or simply "Let's ~~!"
CC BY-SA 3.0
2013-12-29T00:09:11.927
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2013-12-29T00:23:33.033
2013-12-29T00:23:33.033
13934
answer