What does that hipster song with the whistling sound like?

Search: peter bjorn john

Why: On Reddit, "Nailed it in one!":

Answer: Oh yeah. I know this song.

Source: YouTube

The More You Know: That band is Swedish, and that girl singer is a guest from The Concretes. That song "Young Folks" has been in

• 21
  
• Californication
• Dirty Sexy Money
• Gossip Girl
• Grey's Anatomy
• How I Met Your Mother
  
• The Love Guru
• Nip/Tuck
• Parenthood
• and more!

and it kind of reminds me of the "Christmas Time" song on SNL.