|They've been done up in some strange makeuAdd caption|
But then you realize the band is the a capella group Pentatonix.
All the seemingly computerized, synthesizer, synthetic sounds you hear, that are standard for dance tracks, don't come from any machines or electronics at all.
It's all human voices. Yep. Completely a capella. Which turns the standard dance track "Love Again" into something really cool.
The members of Pentatonix met a few years ago, just 24 hours before their auditon on NBC's "The Sing Off," an a capella music competiton.
They ended up winning Season 3 of that show and have gone on to fame and fortune.
The video for Love Again is below. Yeah, the makeup is a little weird and those who aren't fans of dance music might be forgiven for feeling like they've been unwittingly taken to a club.
But remember, no electronics. Just voices. Really, really cool: