Collaborations are a mainstay of modern pop music, and a mash-up making the rounds on social media brings together old and modern in perfect, if a little unsettling, harmony.

Discovered by Twitter user Noah Charlick, it turns out Kendrick Lamar's "Backseat Freestyle," released in 2012, and A-Ha's 1984 hit "Take On Me" can be melded into one congruous song.

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Be warned, the following contains very strong language.

Remarkable.

Despite Noah's uncertainty as to whether he has stumbled upon a “great discovery" or a “terrible mistake," many are rather fond of the meeting of the two genres:

And while some people seem conflicted about it, deep down they know they love it:

Either way, Twitter is definitely jamming out:

A few people have even offered up unsettling mash-ups of their own:

In fact, one person even reckoned that this marks the triumphant end to music as we know it:

You done good, internet:

A version of this article originally appeared on Press Association.