Music software designers Propellerhead Software, creators of the Reason 5 midi studio rack, decided to promote their products in a big way…by creating a giant music pad that plays on Stockholm’s largest buidling. Now, that building looks like it’s only around 10 stories tall, but it’s still pretty impressive for a country whose main export is clinical depression.

Apparently, it runs using the company’s new Kong Drum Designer, which they’re selling here for $350, in case you ever feel the need to play a dance-dance-revolution style drum kit using a spare office building.

Here’s video of the giant machine in action:

[Musicradar via dvice]