When German Electronic Pop duo Milky Chance teamed up with an American surf folk artist Jack Johnson ... it seemed like an odd mix of genres ... But after hearing the track Don't Let Me Down - we're glad they did it

And seeing them come together from all points of the globe to perform the song on The Late Show with Stephen Colbert was even more impressive ... not to mention the best use of a vacuum in a song since Jonathan Fishman of Phish with his Electrolux vacuum