cdza — or Collective Cadenza if you're not into the whole brevity thing — are best remembered for their "History of Lyrics That Aren't Lyrics": A diddy-delightful medley of songs that feature nonsensical lyrics.

They are back again today with a similar "video experiment" chronicling the "History of Whistling": 26 well-known instances of whistling in music across 98 years.

Joe Sabia and Michael Thurber provided the concept and the arrangement; Eric Rivera of Cologne Factory provided the lip service.

An MP3 can be downloaded here.